dockerのやつをv1に戻した

Author: Naoki Kanazawa

.github/workflows/release.yml

@@ -33,7 +33,7 @@ jobs:
 
 
       - name: Push to sakuracr
-        uses: docker/build-push-action@v2
+        uses: docker/build-push-action@v1
         with:
           username: ${{ secrets.SAKURACR_USERNAME }}
           password: ${{ secrets.SAKURACR_PASSWORD }}