update to latest phpunit an php 8.x for github action

Author: s-martin

.github/workflows/php.yml

@@ -20,7 +20,7 @@ jobs:
     - name: Setup PHP with XDebug
       uses: shivammathur/setup-php@v2
       with:
-        php-version: 7.4
+        php-version: 8.x
         coverage: xdebug
         tools: composer
 

composer.json

@@ -3,7 +3,7 @@
     "description": "A Raspberry Pi jukebox, playing local music, podcasts, web radio and streams triggered by RFID cards, web app or home automation. All plug and play via USB. GPIO scripts available.",
     "type": "project",
     "require-dev": {
-        "phpunit/phpunit": "^10",
+        "phpunit/phpunit": "^11",
         "php-mock/php-mock-phpunit": "^2.6",
         "doctrine/instantiator": "^1.5.0"
     },