Use new Github action versions

Author: aimeos

.github/workflows/php.yml

@@ -6,9 +6,6 @@ on:
   pull_request:
     branches: [ "master", "*.x" ]
 
-env:
-  fail-fast: true
-
 jobs:
   build:
 
@@ -27,7 +24,7 @@ jobs:
           - "8.3"
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
 
     - name: "Install PHP"
       uses: "shivammathur/setup-php@v2"
@@ -40,7 +37,7 @@ jobs:
 
     - name: Cache Composer packages
       id: composer-cache
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       with:
         path: vendor
         key: ${{ runner.os }}-php${{ matrix.php-version }}-${{ hashFiles('**/composer.lock') }}