add proton bridge version check and update

.gitea/workflows/update-protonbridge-version.yml

@@ -0,0 +1,49 @@
+name: Check and Autoupdate for ProtonMail Bridge
+
+on:
+  schedule:
+    - cron: '0 3 * * *'
+  workflow_dispatch:
+
+jobs:
+  check-update:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Get current version from file
+        id: current
+        run: |
+          CURRENT_VERSION=$(cat VERSION)
+          echo "current_version=$CURRENT_VERSION" >> $GITHUB_OUTPUT
+
+      - name: Fetch latest ProtonMail Bridge release tag
+        id: latest
+        run: |
+          LATEST_VERSION=$(curl -s https://api.github.com/repos/ProtonMail/proton-bridge/releases/latest | jq -r .tag_name)
+          echo "latest_version=$LATEST_VERSION" >> $GITHUB_OUTPUT
+
+      - name: Compare versions
+        id: compare
+        run: |
+          echo "Current: ${{ steps.current.outputs.current_version }}"
+          echo "Latest:  ${{ steps.latest.outputs.latest_version }}"
+          if [ "${{ steps.current.outputs.current_version }}" != "${{ steps.latest.outputs.latest_version }}" ]; then
+            echo "new_version=true" >> $GITHUB_OUTPUT
+          else
+            echo "new_version=false" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Act on update
+        if: steps.compare.outputs.new_version == 'true'
+        run: |
+          echo "🎉 New version available: ${{ steps.latest.outputs.latest_version }}"
+          echo "${{ steps.latest.outputs.latest_version }}" > VERSION
+          # Optional: Commit and push the new version file
+          git config user.name "Gitea Bot"
+          git config user.email "actions@gitea.local"
+          git add VERSION
+          git commit -m "Update ProtonMail Bridge to ${{ steps.latest.outputs.latest_version }}"
+          git push