Bump docker/setup-buildx-action from 3.5.0 to 3.6.1

Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 3.5.0 to 3.6.1.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](docker/setup-buildx-action@v3.5.0...v3.6.1)

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

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

.github/workflows/tests.yml

@@ -42,7 +42,7 @@ jobs:
       # Set up buildx for multi platform builds
       - name: Set up Docker Buildx
         id: buildx
-        uses: docker/setup-buildx-action@v3.5.0
+        uses: docker/setup-buildx-action@v3.6.1
 
       # Test container build for all supported platforms (defined above)
       - name: Test Build ${{ matrix.docker-platform }}