Bump actions/checkout from 4 to 5 (#155)

Author: dependabot[bot]

.github/workflows/phpstan.yml

@@ -10,7 +10,7 @@ jobs:
 
     steps:
       - name: Startup
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Download PHP Release
         uses: dsaltares/fetch-gh-release-asset@1.1.2
         with: