Update actions/checkout action to v5

Author: renovate[bot]

.github/workflows/test.yml

@@ -15,7 +15,7 @@ jobs:
     name: "Test build of example projects"
     steps:
       - name: Checkout
-        uses: actions/checkout@v4.2.2
+        uses: actions/checkout@v5.0.0
       - name: Setup Node.js
         uses: actions/[email protected]
       - name: Setup pnpm