Bump docker/setup-buildx-action from 2.5.0 to 2.6.0

Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 2.5.0 to 2.6.0.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](docker/setup-buildx-action@v2.5.0...v2.6.0)

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

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

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

@@ -22,7 +22,7 @@ jobs:
     steps:
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2.5.0
+        uses: docker/setup-buildx-action@v2.6.0
 
       - name: Build the container image
         uses: docker/build-push-action@v4.0.0