The sample uses: line should reference @v1.0 (#1)

brycelelbach · web-flow · commit 5d7016e8e9b3 · 2020-07-10T12:00:40.000-07:00
diff --git a/README.md b/README.md
@@ -22,7 +22,7 @@ jobs:
     steps:
     - name: Mirror action step
       id: mirror
-      uses: google/mirror-branch-action
+      uses: google/mirror-branch-action@v1.0
       with:
         github-token: ${{ secrets.GITHUB_TOKEN }}
         source: 'SOURCE_BRANCH_NAME'
