Bump docker/build-push-action from 3.2.0 to 4.1.1

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 3.2.0 to 4.1.1.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@v3.2.0...v4.1.1)

---
updated-dependencies:
- dependency-name: docker/build-push-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/buildx.yml

@@ -51,7 +51,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
       - name: Build and push by digest
         id: build
-        uses: docker/build-push-action@v4
+        uses: docker/build-push-action@v4.1.1
         with:
           context: .
           platforms: ${{ matrix.platform }}
@@ -134,7 +134,7 @@ jobs:
           username: teslamate
           password: ${{ secrets.DOCKER_PASSWORD }}
       - name: Build and push
-        uses: docker/build-push-action@v3.2.0
+        uses: docker/build-push-action@v4.1.1
         with:
           context: grafana
           push: true