feat: add weekly release workflow for automated tagging and releases

.github/workflows/weekly-release.yml

@@ -0,0 +1,42 @@
+name: Weekly Release
+
+on:
+  schedule:
+    # Every Monday at 08:00 UTC
+    - cron: '0 8 * * 1'
+  workflow_dispatch:
+
+permissions:
+  contents: write
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Get release tag and name
+        id: date
+        run: |
+          echo "tag=v$(date -u +%G.%V)" >> "$GITHUB_OUTPUT"
+          echo "name=Release $(date -u +%Y-%m-%d) Week $(date -u +%V)" >> "$GITHUB_OUTPUT"
+
+      - name: Check if tag already exists
+        id: check
+        run: |
+          if git rev-parse --quiet --verify "refs/tags/${{ steps.date.outputs.tag }}" >/dev/null; then
+            echo "exists=true" >> "$GITHUB_OUTPUT"
+          else
+            echo "exists=false" >> "$GITHUB_OUTPUT"
+          fi
+
+      - name: Create release
+        if: steps.check.outputs.exists == 'false'
+        uses: softprops/action-gh-release@v2
+        with:
+          tag_name: ${{ steps.date.outputs.tag }}
+          name: ${{ steps.date.outputs.name }}
+          generate_release_notes: true