chore: update docker/build-push-action action to v6.16.0 (#4378)

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

Author: renovate[bot]

.github/workflows/container-build.yml

@@ -35,7 +35,7 @@ jobs:
             type=ref,event=branch
             type=sha,prefix=,format=short
       - name: Build and push container image
-        uses: docker/build-push-action@471d1dc4e07e5cdedd4c2171150001c434f0b7a4 # v6.15.0
+        uses: docker/build-push-action@14487ce63c7a62a4a324b0bfb37086795e31c6c1 # v6.16.0
         with:
           context: .
           file: Dockerfile.ci