Bump docker/setup-buildx-action from 3 to 4 (#90)

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](docker/setup-buildx-action@v3...v4)

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

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Author: dependabot[bot]

.github/workflows/docker-release.yml

@@ -22,7 +22,7 @@ jobs:
       -
         name: "Docker: Setup Buildx"
         id: buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@v4
       -
         name: "Docker: Available Platforms"
         run: echo ${{ steps.buildx.outputs.platforms }}