chore(deps-dev): update phpstan/phpstan requirement || ^2.0.0 in /it/php

Updates the requirements on [phpstan/phpstan](https://github.com/phpstan/phpstan) to permit the latest version.
- [Release notes](https://github.com/phpstan/phpstan/releases)
- [Changelog](https://github.com/phpstan/phpstan/blob/2.0.x/CHANGELOG.md)
- [Commits](phpstan/phpstan@1.2.0...2.0.0)

---
updated-dependencies:
- dependency-name: phpstan/phpstan
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

it/php/composer.json

@@ -11,7 +11,7 @@
     "microsoft/kiota-authentication-phpleague": "*"
   },
   "require-dev": {
-    "phpstan/phpstan": "^1.2.0"
+    "phpstan/phpstan": "^1.2.0 || ^2.0.0"
   },
   "minimum-stability": "stable",
   "license": "MIT",