Update Wiki Flow (#1677)

.github/workflows/wiki-sync.yml

@@ -28,13 +28,13 @@ jobs:
 
     steps:
       - name: Checkout Source Repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           repository: ${{ env.wiki_source_repo }}
           path: ${{ env.wiki_source_repo }}
 
       - name: Checkout Wiki Repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           repository: ${{ env.wiki_target_repo }}
           path: ${{ env.wiki_target_repo }}