Bump docker/setup-buildx-action from 3.12.0 to 4.0.0 (#2130)

Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 3.12.0 to 4.0.0.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](docker/setup-buildx-action@v3.12.0...v4.0.0)

---
updated-dependencies:
- dependency-name: docker/setup-buildx-action
  dependency-version: 4.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/bats-action.yml

@@ -51,7 +51,7 @@ jobs:
         run: sudo -E ./tests/ci-setup.bash github
       - name: Set up Docker Buildx
         id: buildx
-        uses: docker/setup-buildx-action@v3.12.0
+        uses: docker/setup-buildx-action@v4.0.0
         with:
           driver-opts: network=host
       - name: Build Docker image

.github/workflows/installation-action.yml

@@ -74,7 +74,7 @@ jobs:
           sed -i 's|^java_opt=.*$|java_opt='"${{ matrix.java_opt }}"'|' build-image/openhabian.conf
       - name: Set up Docker Buildx
         id: buildx
-        uses: docker/setup-buildx-action@v3.12.0
+        uses: docker/setup-buildx-action@v4.0.0
         with:
           driver-opts: network=host
       - name: Build Docker image