chore: update docker/build-push-action action to v7.3.0 (#4868)

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@f9f3042f7e2789586610d6e8b85c8f03e5195baf # v7.2.0
+        uses: docker/build-push-action@53b7df96c91f9c12dcc8a07bcb9ccacbed38856a # v7.3.0
         with:
           context: .
           file: Dockerfile.ci