Adding upstream version 1.9.1+dfsg.

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

.github/workflows/codeql.yml

@@ -0,0 +1,34 @@
+name: "CodeQL"
+
+on:
+  push:
+    branches:
+      - main
+      - "!dependabot/**"
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches:
+      - main
+  schedule:
+    - cron: "0 0 * * 0"
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v2
+        with:
+          languages: "javascript"
+
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@v2