chore(deps): update actions/checkout action to v5

Author: renovate[bot]

.github/workflows/main.yml

@@ -8,7 +8,7 @@ jobs:
       # To use this repository's private action,
       # you must check out the repository
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: ast-grep lint step
         id: basic
         uses: ./ # Uses an action in the root directory