Update main.yml

Author: get-itips

.github/workflows/main.yml

@@ -14,7 +14,7 @@ jobs:
 
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Install and cache PowerShell modules
         id: psmodulecache