ci: bump github action actions/checkout 4 => 5

Author: Chris8934

.github/workflows/coding-standards.yml

@@ -15,7 +15,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v4"
+        uses: "actions/checkout@v5"
       - name: PHPStan
         uses: "docker://oskarstark/phpstan-ga"
         env:

.github/workflows/continuous-integration.yml

@@ -72,7 +72,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v4"
+        uses: "actions/checkout@v5"
         with:
           fetch-depth: 2
 

.github/workflows/php-cs-fixer.yml

@@ -15,7 +15,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v4"
+        uses: "actions/checkout@v5"
       - name: "PHP-CS-Fixer"
         uses: "docker://oskarstark/php-cs-fixer-ga:3.26.0"
         with: