Bump docker/setup-buildx-action in /.github/workflows

Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 3.10.0 to 3.11.1.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](docker/setup-buildx-action@b5ca514...e468171)

---
updated-dependencies:
- dependency-name: docker/setup-buildx-action
  dependency-version: 3.11.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/container.yml

@@ -10,7 +10,7 @@ jobs:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@b5ca514318bd6ebac0fb2aedd5d36ec1b5c232a2
+        uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435
 
       - name: Login to GitHub Container Registry
         uses: docker/login-action@74a5d142397b4f367a81961eba4e8cd7edddf772