Update PHPUnit to version 10

Signed-off-by: Côme Chilliet <come.chilliet@nextcloud.com>

Author: come-nc

tests/integration/composer.json

@@ -1,6 +1,6 @@
 {
   "require-dev": {
-    "phpunit/phpunit": "^9",
+    "phpunit/phpunit": "^10.5",
     "behat/behat": "^3.13",
     "guzzlehttp/guzzle": "^7.8"
   },