build(deps): bump docker/build-push-action from 6.10.0 to 6.11.0

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 6.10.0 to 6.11.0.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@48aba3b...b32b51a)

---
updated-dependencies:
- dependency-name: docker/build-push-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/rdx-host-api-tests.yaml

@@ -29,7 +29,7 @@ jobs:
         registry: ghcr.io
         username: ${{ github.actor }}
         password: ${{ github.token }}
-    - uses: docker/build-push-action@48aba3b46d1b1fec4febb7c5d0c644b249a11355 # v6.10.0
+    - uses: docker/build-push-action@b32b51a8eda65d6793cd0494a773d4f6bcef32dc # v6.11.0
       with:
         build-args: variant=host-apis
         context: bats/tests/extensions/testdata