Add CI workflow + remove upstream GitHub workflows

Builds deb Dockerfile, pushes to registry.johnogle.info/protonmail-bridge.
No auto-deploy — temporary fork until upstream merges libfido2 patch.

Requires secrets: REGISTRY_USERNAME, REGISTRY_PASSWORD

.gitea/workflows/build-and-push.yml

@@ -13,8 +13,6 @@ jobs:
   build-and-push:
     name: Build & Push Docker Image
     runs-on: ubuntu-latest
-    outputs:
-      image_tag: ${{ steps.meta.outputs.tag }}
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
@@ -25,7 +23,6 @@ jobs:
           VERSION=$(cat deb/PACKAGE | grep -oP '\d+\.\d+\.\d+' | head -1 || echo "unknown")
           SHORT_SHA=$(echo "${{ github.sha }}" | cut -c1-7)
           echo "tag=${VERSION}-${SHORT_SHA}" >> $GITHUB_OUTPUT
-          echo "version=${VERSION}" >> $GITHUB_OUTPUT
           echo "Image will be tagged: ${VERSION}-${SHORT_SHA}"
 
       - name: Set up Docker Buildx
@@ -44,33 +41,3 @@ jobs:
             registry.johnogle.info/protonmail-bridge:${{ steps.meta.outputs.tag }}
             registry.johnogle.info/protonmail-bridge:latest
           platforms: linux/amd64
-
-  deploy:
-    name: Deploy to Production
-    runs-on: ubuntu-latest
-    needs: build-and-push
-    if: github.ref == 'refs/heads/master' && github.event_name == 'push'
-    steps:
-      - name: Checkout k3s-cluster-config
-        uses: actions/checkout@v4
-        with:
-          repository: johno/k3s-cluster-config
-          token: ${{ secrets.CONFIG_REPO_TOKEN }}
-          path: k3s-cluster-config
-
-      - name: Update HelmRelease image tag
-        run: |
-          cd k3s-cluster-config
-          sed -i 's|repository: shenxn/protonmail-bridge|repository: registry.johnogle.info/protonmail-bridge|' \
-            clusters/oglenet/apps/infrastructure/protonmail-bridge.yaml
-          sed -i 's/tag: .*/tag: "${{ needs.build-and-push.outputs.image_tag }}"/' \
-            clusters/oglenet/apps/infrastructure/protonmail-bridge.yaml
-
-      - name: Commit and push
-        run: |
-          cd k3s-cluster-config
-          git config user.name "Gitea CI"
-          git config user.email "ci@johnogle.info"
-          git add clusters/oglenet/apps/infrastructure/protonmail-bridge.yaml
-          git diff --cached --quiet || git commit -m "Deploy protonmail-bridge:${{ needs.build-and-push.outputs.image_tag }}"
-          git push