change to v4

Author: QiLi111

.github/workflows/pages.yml

@@ -47,13 +47,13 @@ jobs:
           JEKYLL_ENV: production
       - name: Upload artifact
         # Automatically uploads an artifact from the './_site' directory by default
-        uses: actions/upload-pages-artifact@v1
+        uses: actions/upload-pages-artifact@v4
         # with:
         #   name: github-pages
         #   path: ./_site
 
       - name: Download artifact
-        uses: actions/download-artifact@v1
+        uses: actions/download-artifact@v4
         # with:
         #   name: github-pages
         #   path: ./_site