Merge pull request #1030 from wmbusmeters/dependabot/github_actions/docker/setup-buildx-action-3

Bump docker/setup-buildx-action from 2 to 3

.github/workflows/build_docker.yml

@@ -27,7 +27,7 @@ jobs:
         uses: docker/setup-qemu-action@v2
       -
         name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@v3
       -
         name: Login to DockerHub
         uses: docker/login-action@v2