Update Generate GitHub Pages.yml

Author: Yard1

.github/workflows/Generate GitHub Pages.yml

@@ -23,12 +23,12 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
       with:
         token: ${{ secrets.GHPAGES_PUSH_TOKEN }}
         ref: master
     - name: Checkout gh-pages branch
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
       with:
         token: ${{ secrets.GHPAGES_PUSH_TOKEN }}
         ref: gh-pages