Update docker/setup-buildx-action action to v3 (#88)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/docker.yml

@@ -31,7 +31,7 @@ jobs:
     - name: Set up QEMU
       uses: docker/setup-qemu-action@v3
     - name: Set up Docker Buildx
-      uses: docker/setup-buildx-action@v2
+      uses: docker/setup-buildx-action@v3
     - name: Login to DockerHub
       if: (github.event_name == 'release' && github.event.action == 'created') || github.event.pull_request.head.repo.full_name == github.repository
       uses: docker/login-action@v3