chore(deps): update actions/checkout action to v5 (#636)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/ci.yml

@@ -27,7 +27,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683" # v4
+        uses: "actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8" # v5
 
       - name: "Install PHP"
         uses: "shivammathur/setup-php@0f7f1d08e3e32076e51cae65eb0b0c871405b16e" # v2