Adding upstream version 4.6.0+dfsg.

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

.github/workflows/homebrewpublish.yml

@@ -0,0 +1,32 @@
+name: Publish to Homebrew
+
+on:
+  workflow_run:
+    workflows: ["Upload Python Package"]
+    types:
+      - completed
+
+jobs:
+  deploy:
+    runs-on: macos-latest
+    if: ${{ github.event.workflow_run.conclusion == 'success' }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.x"
+      - name: Install dependencies
+        run: |
+          python -m pip install -U commitizen
+      - name: Set Project version env variable
+        run: |
+          echo "project_version=$(cz version --project)" >> $GITHUB_ENV
+      - name: Update Homebrew formula
+        uses: dawidd6/action-homebrew-bump-formula@v4
+        with:
+          token: ${{secrets.PERSONAL_ACCESS_TOKEN}}
+          formula: commitizen
+          tag: v${{ env.project_version }}
+          force: true