Adding upstream version 0.31.1.

Signed-off-by: Daniel Baumann <daniel@debian.org>

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug Report 🐞
+about: Create a report to help us improve.
+title: ''
+labels: ''
+assignees: ''
+---
+
+<!-- This is not an exhaustive model but a help. No step is mandatory. -->
+
+**Description**
+Description of what the bug is about.
+
+**Expected behavior**
+What you expected to happen.
+
+**Current behavior**
+What happened.
+
+**Screenshots or Logs**
+If applicable, add screenshots or logs to help explain your problem.
+
+**Environment (please complete the following information):**
+- OS: [e.g. Debian GNU/Linux]
+- Meilisearch version: [e.g. v.0.20.0]
+- meilisearch-go version: [e.g v0.14.1]

.github/ISSUE_TEMPLATE/config.yml

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+blank_issues_enabled: false
+contact_links:
+  - name: Support questions & other
+    url: https://discord.meilisearch.com/
+    about: Support is not handled here but on our Discord

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature Request & Enhancement 💡
+about: Suggest a new idea for the project.
+title: ''
+labels: ''
+assignees: ''
+---
+
+<!-- This is not an exhaustive model but a help. No step is mandatory. -->
+
+**Description**
+Brief explanation of the feature.
+
+**Basic example**
+If the proposal involves something new or a change, include a basic example. How would you use the feature? In which context?
+
+**Other**
+Any other things you want to add.

.github/dependabot.yml

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+version: 2
+updates:
+  - package-ecosystem: 'github-actions'
+    directory: '/'
+    schedule:
+      interval: "monthly"
+    labels:
+      - 'skip-changelog'
+      - 'dependencies'
+    rebase-strategy: disabled
+
+  - package-ecosystem: gomod
+    directory: '/'
+    schedule:
+      interval: "monthly"
+      time: '04:00'
+    open-pull-requests-limit: 10
+    labels:
+      - skip-changelog
+      - dependencies
+    rebase-strategy: disabled

.github/release-draft-template.yml

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+name-template: 'v$RESOLVED_VERSION 🐹'
+tag-template: 'v$RESOLVED_VERSION'
+exclude-labels:
+  - 'skip-changelog'
+version-resolver:
+  minor:
+    labels:
+      - 'breaking-change'
+  default: patch
+categories:
+  - title: '⚠️ Breaking changes'
+    label: 'breaking-change'
+  - title: '🚀 Enhancements'
+    label: 'enhancement'
+  - title: '🐛 Bug Fixes'
+    label: 'bug'
+  - title: '🔒 Security'
+    label: 'security'
+  - title: '⚙️ Maintenance/misc'
+    label:
+      - 'maintenance'
+      - 'documentation'
+template: |
+  $CHANGES
+
+  Thanks again to $CONTRIBUTORS! 🎉
+no-changes-template: 'Changes are coming soon 😎'
+sort-direction: 'ascending'
+replacers:
+  - search: '/(?:and )?@dependabot-preview(?:\[bot\])?,?/g'
+    replace: ''
+  - search: '/(?:and )?@dependabot(?:\[bot\])?,?/g'
+    replace: ''
+  - search: '/(?:and )?@bors(?:\[bot\])?,?/g'
+    replace: ''
+  - search: '/(?:and )?@meili-bot,?/g'
+    replace: ''
+  - search: '/(?:and )?@meili-bors(?:\[bot\])?,?/g'
+    replace: ''

.github/scripts/check-release.sh

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+#!/bin/sh
+
+# Checking if current tag matches the package version
+current_tag=$(echo $GITHUB_REF | cut -d '/' -f 3 | sed -r 's/^v//')
+
+file1='version.go'
+file_tag1=$(grep 'const VERSION' -A 0 $file1 | cut -d '=' -f2 | tr -d '"' | tr -d ' ')
+
+if [ "$current_tag" != "$file_tag1" ]; then
+  echo "Error: the current tag does not match the version in package file(s)."
+  echo "$file1: found $file_tag1 - expected $current_tag"
+  exit 1
+fi
+
+echo 'OK'
+exit 0

.github/workflows/pre-release-tests.yml

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+# Testing the code base against the Meilisearch pre-releases
+name: Pre-Release Tests
+
+# Will only run for PRs and pushes to bump-meilisearch-v*
+on:
+  push:
+    branches: bump-meilisearch-v*
+  pull_request:
+    branches: bump-meilisearch-v*
+
+jobs:
+  integration_tests:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        # Current go.mod version and latest stable go version
+        go: [1.16, 1.17]
+        include:
+          - go: 1.16
+            tag: current
+          - go: 1.17
+            tag: latest
+
+    name: integration-tests-against-rc (go ${{ matrix.tag }} version)
+    steps:
+      - name: Set up Go ${{ matrix.go }}
+        uses: actions/setup-go@v5
+        with:
+          go-version: ${{ matrix.go }}
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v4
+      - name: Get dependencies
+        run: |
+          go get -v -t -d ./...
+          if [ -f Gopkg.toml ]; then
+            curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
+            dep ensure
+          fi
+      - name: Get the latest Meilisearch RC
+        run: echo "MEILISEARCH_VERSION=$(curl https://raw.githubusercontent.com/meilisearch/integration-guides/main/scripts/get-latest-meilisearch-rc.sh | bash)" >> $GITHUB_ENV
+      - name: Meilisearch (${{ env.MEILISEARCH_VERSION }}) setup with Docker
+        run: docker run -d -p 7700:7700 getmeili/meilisearch:${{ env.MEILISEARCH_VERSION }} meilisearch --master-key=masterKey --no-analytics
+      - name: Run integration tests
+        run: go test -v ./...

.github/workflows/release-check.yml

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+name: Validate release version
+
+on:
+  push:
+    tags:
+      - '[0-9]+.[0-9]+.[0-9]+'
+
+jobs:
+  publish:
+    name: Validate release version
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Check release validity
+        run: sh .github/scripts/check-release.sh

.github/workflows/release-drafter.yml

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+name: Release Drafter
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  update_release_draft:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: release-drafter/release-drafter@v6
+        with:
+          config-name: release-draft-template.yml
+        env:
+          GITHUB_TOKEN: ${{ secrets.RELEASE_DRAFTER_TOKEN }}

.github/workflows/tests.yml

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+name: Tests
+
+on:
+  pull_request:
+  push:
+    # trying and staging branches are for BORS config
+    branches:
+      - trying
+      - staging
+      - main
+
+jobs:
+  linter:
+    name: linter
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/setup-go@v5
+        with:
+          go-version: 1.17
+      - uses: actions/checkout@v4
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v6
+        with:
+          version: v1.45.2
+      - name: Run go vet
+        run: go vet
+      - name: Yaml linter
+        uses: ibiqlik/action-yamllint@v3
+        with:
+          config_file: .yamllint.yml
+
+  integration_tests:
+    runs-on: ubuntu-latest
+    # Will not run if the event is a PR to bump-meilisearch-v* (so a pre-release PR)
+    # Will still run for each push to bump-meilisearch-v*
+    if: github.event_name != 'pull_request' || !startsWith(github.base_ref, 'bump-meilisearch-v')
+    strategy:
+      matrix:
+        # Current go.mod version and latest stable go version
+        go: [1.16, 1.17]
+        include:
+          - go: 1.16
+            tag: current
+          - go: 1.17
+            tag: latest
+
+    name: integration-tests (go ${{ matrix.tag }} version)
+    steps:
+      - name: Set up Go ${{ matrix.go }}
+        uses: actions/setup-go@v5
+        with:
+          go-version: ${{ matrix.go }}
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v4
+      - name: Get dependencies
+        run: |
+          go get -v -t -d ./...
+          if [ -f Gopkg.toml ]; then
+            curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
+            dep ensure
+          fi
+      - name: Meilisearch setup (latest version) with Docker
+        run: docker run -d -p 7700:7700 getmeili/meilisearch:latest meilisearch --master-key=masterKey --no-analytics
+      - name: Run integration tests
+        run: go test -v -race -coverprofile=coverage.txt -covermode=atomic ./...
+      - name: Upload coverage report
+        uses: codecov/codecov-action@v5
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}