Update CI configuration

Author: Seros

.github/workflows/ci.yml

@@ -14,26 +14,32 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: ['8.2', '8.3', '8.4']
-        symfony: ['6.4.*', '7.4.*', '8.0.*']
+        php:
+          - 8.2
+          - 8.3
+          - 8.4
+        symfony:
+          - 6.4.*
+          - 7.4.*
+          - 8.0.*
         exclude:
-          # Symfony 8.0 requires PHP 8.3+
+          # Symfony 8.0 requires PHP 8.4+
           - php: '8.2'
             symfony: '8.0.*'
+          - php: '8.3'
+            symfony: '8.0.*'
 
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
 
-      - name: Setup PHP
+      - name: Setup PHP and install Symfony Flex globally
         uses: shivammathur/setup-php@v2
         with:
           php-version: ${{ matrix.php }}
           coverage: none
           extensions: mbstring, openssl, sodium
-
-      - name: Install Symfony Flex globally
-        run: composer global require --no-progress --no-scripts --no-plugins symfony/flex
+          tools: flex
 
       - name: Install dependencies
         env: