Update rebase.yml

.github/workflows/rebase.yml

@@ -1,20 +1,17 @@
-name: Automatic Rebase
-# https://github.com/marketplace/actions/automatic-rebase
-
 on: 
   issue_comment:
     types: [created]
-
+name: Automatic Rebase
 jobs:
   rebase:
     name: Rebase
     if: github.event.issue.pull_request != '' && contains(github.event.comment.body, '/rebase')
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@master
       with:
         fetch-depth: 0
     - name: Automatic Rebase
-      uses: cirrus-actions/rebase@1.2
+      uses: cirrus-actions/rebase@1.3
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}