Update docker/bake-action action to v5 (#465)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/docker-bake.template.yaml

@@ -36,7 +36,7 @@ jobs:
       - name: build docker images
         timeout-minutes: 20
         id: docker-bake
-        uses: docker/bake-action@v4
+        uses: docker/bake-action@v5
         env:
           DOCKER_REGISTRY: ghcr.io/${{ github.repository }}/
           COMMIT_SHA: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || github.sha }}