Update .github/workflows/sync.yaml

Author: potato4d

.github/workflows/sync.yaml

@@ -13,7 +13,7 @@ jobs:
         node-version: [12.x]
 
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
         with:
           ref: master
       - name: Use Node.js ${{ matrix.node-version }}
@@ -30,4 +30,3 @@ jobs:
       - name: Sync it
         run: |
           git push origin master
-