Update hub.yml

Author: AlfHou

.github/workflows/hub.yml

@@ -18,7 +18,7 @@ jobs:
       - name: Available platforms
         run: echo ${{ steps.qemu.outputs.platforms }}
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@v2
       - name: Parse the git tag
         id: get_tag
         run: echo ::set-output name=TAG::$(echo $GITHUB_REF | cut -d / -f 3)