Bump docker/setup-buildx-action from 3 to 4

Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 3 to 4.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](https://github.com/docker/setup-buildx-action/compare/v3...v4)

---
updated-dependencies:
- dependency-name: docker/setup-buildx-action
  dependency-version: '4'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/docker-build-push.yml

@@ -19,7 +19,7 @@ jobs:
             - uses: actions/checkout@v6
 
             - name: Set up Docker Buildx
-              uses: docker/setup-buildx-action@v3
+              uses: docker/setup-buildx-action@v4
 
             - name: Log in to GitHub Container Registry
               uses: docker/login-action@v3