update copy action

Author: rustagir

.github/workflows/copy-compat-to-docs-shared.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Copy mongodb-compat table
         uses: dmnemec/copy_file_to_another_repo_action@main