Add buildx setup

Author: linalinn

.github/workflows/image.yaml

@@ -26,6 +26,9 @@ jobs:
           registry: ghcr.io
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
+      
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
 
       - name: Get current date
         id: date