Merge pull request #27 from nhudson/renovate/docker-setup-buildx-acti…

…on-3.x

Update docker/setup-buildx-action action to v3

.github/workflows/docker-build-push.yaml

@@ -17,7 +17,7 @@ jobs:
         uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@v3
 
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v2