Merge pull request codeigniter4#4962 from samsonasik/phpstan-more-01291

[PHPStan] Using PHPStan ^0.12.91

Author: samsonasik

composer.json

@@ -20,7 +20,7 @@
         "mikey179/vfsstream": "^1.6",
         "nexusphp/cs-config": "^3.1",
         "nexusphp/tachycardia": "^1.0",
-        "phpstan/phpstan": "0.12.91",
+        "phpstan/phpstan": "^0.12.91",
         "phpunit/phpunit": "^9.1",
         "predis/predis": "^1.1",
         "rector/rector": "0.11.37",