Merge pull request #899 from nextcloud/ci/phpunit-drop-php-8.2

ci: replace PHP 8.2 with PHP 8.4 in the PHPUnit matrix

Author: oleksandr-nc

.github/workflows/phpunit.yml

@@ -22,7 +22,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-version: ['8.2', '8.3']
+        php-version: ['8.3', '8.4']
         server-version: ['master']
 
     steps: