Suggest customers to use actions/checkout@v2 (#23978)

Co-authored-by: Sarah Edwards <skedwards88@github.com>

Author: TingluoHuang

content/actions/deployment/security-hardening-your-deployments/configuring-openid-connect-in-amazon-web-services.md

@@ -85,13 +85,13 @@ env:
 # permission can be added at job level or workflow level    
 permissions:
       id-token: write
-      contents: read    # This is required for actions/checkout@v1
+      contents: read    # This is required for actions/checkout@v2
 jobs:
   S3PackageUpload:
     runs-on: ubuntu-latest
     steps:
       - name: Git clone the repository
-        uses: actions/checkout@v1
+        uses: actions/checkout@v2
       - name: configure aws credentials
         uses: aws-actions/configure-aws-credentials@master
         with: