Build/Test Tools: Update phpstan/phpstan to 2.2.5 and phpstan/phpstan-phpunit to 2.0.18.

Developed in WordPress#12597.
Follow-up to r62495, r62618, 

See #64898.


git-svn-id: https://develop.svn.wordpress.org/trunk@62798 602fd350-edb4-49c9-b593-d223f7449a82

Author: westonruter

composer.json

@@ -26,8 +26,8 @@
 		"squizlabs/php_codesniffer": "3.13.5",
 		"wp-coding-standards/wpcs": "~3.4.0",
 		"phpcompatibility/phpcompatibility-wp": "~2.1.3",
-		"phpstan/phpstan": "2.2.2",
-		"phpstan/phpstan-phpunit": "2.0.16",
+		"phpstan/phpstan": "2.2.5",
+		"phpstan/phpstan-phpunit": "2.0.18",
 		"yoast/phpunit-polyfills": "^1.1.0"
 	},
 	"config": {