Update docker/build-push-action action to v6 (#31381)

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

.github/workflows/build-container-image.yml

@@ -85,7 +85,7 @@ jobs:
           tags: ${{ inputs.tags }}
           labels: ${{ inputs.labels }}
 
-      - uses: docker/build-push-action@v5
+      - uses: docker/build-push-action@v6
         with:
           context: .
           file: ${{ inputs.file_to_build }}