build: bump phpunit constraints past GHSA-qrr6-mg7r-m243

Author: Evy (OpenClaw)

composer.json

@@ -44,7 +44,7 @@
     "guzzlehttp/guzzle": "^7.0",
     "mockery/mockery": "^1.4",
     "orchestra/testbench": "^9.6|^10.0|^11.0",
-    "phpunit/phpunit": "^10.5|^11.5|^12.0|^13.0"
+    "phpunit/phpunit": "^10.5|^11.5|^12.5.22|^13.1.6"
   },
   "autoload": {
     "files": [