ci: Ubuntu 20.04 LTS runner will be removed on 2025-04-15

See: actions/runner-images#11101

Author: SilverRainZ

{{cookiecutter.name}}/.github/workflows/pages.yml

@@ -13,7 +13,7 @@ concurrency:
 
 jobs:
   pages:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     environment:
       name: github-pages
       url: {% raw %}${{ steps.deployment.outputs.page_url }}{% endraw %}