[TASK] Bump actions/checkout from 4 to 5

Bumps [actions/checkout](https://github.com/actions/checkout) from 4 to 5.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4...v5)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/phpstan.yml

@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: "Setup PHP"
         uses: shivammathur/setup-php@v2

.github/workflows/rector.yaml

@@ -13,7 +13,7 @@ jobs:
     steps:
       - name: "Checkout code"
         if: github.event.pull_request.head.repo.full_name == github.repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           # Must be used to trigger workflow after push
           token: ${{ secrets.ACCESS_TOKEN }}

.github/workflows/run-tests.yml

@@ -23,7 +23,7 @@ jobs:
 
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: "Setup PHP"
         uses: shivammathur/setup-php@v2