typo

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@2
+        uses: docker/setup-buildx-action@v2
       - name: Build and export
         uses: docker/build-push-action@v5
         with: