update action versions

Author: leniency

.github/workflows/deploy.yml

@@ -20,9 +20,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout your repository using git
-        uses: actions/checkout@v3
+        uses: actions/checkout@v5
       - name: Install, build, and upload your site
-        uses: withastro/action@v0
+        uses: withastro/action@v5
 
   deploy:
     name: Deploy to GitHub Pages.
@@ -34,4 +34,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v1
+        uses: actions/deploy-pages@v4