Update dependency phpstan/phpstan-mockery to v2

| datasource | package                 | from  | to    |
| ---------- | ----------------------- | ----- | ----- |
| packagist  | phpstan/phpstan-mockery | 1.1.3 | 2.0.0 |


Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

composer.json

@@ -36,7 +36,7 @@
     "phpro/grumphp": "^2.9.0",
     "phpstan/extension-installer": "^1.4.3",
     "phpstan/phpstan": "^1.12.11",
-    "phpstan/phpstan-mockery": "^1.1.3",
+    "phpstan/phpstan-mockery": "^2.0.0",
     "phpunit/phpunit": "^11.4.3",
     "rector/rector": "^1.2.10",
     "roave/security-advisories": "dev-latest",