Update phpstan/phpstan requirement from ^0.12.7 to ^1.12.4

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@0.12.7...1.12.4)

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

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

composer.json

@@ -17,7 +17,7 @@
         "cakephp/cakephp-codesniffer": "^4.5",
         "cakephp/debug_kit": "^4.9",
         "josegonzalez/dotenv": "^4.0",
-        "phpstan/phpstan": "^0.12.7",
+        "phpstan/phpstan": "^1.12.4",
         "phpunit/phpunit": "^9.6",
         "psy/psysh": "@stable"
     },