Update github actions

Author: cibyr

.github/workflows/pages.yml

@@ -11,8 +11,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout main
-      uses: actions/checkout@v3.0.0
+      uses: actions/checkout@v4
     - name: Build and deploy
-      uses: shalzz/zola-deploy-action@v0.17.2
+      uses: shalzz/zola-deploy-action@v0.20.0
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}