Bump phpstan/phpstan from 1.12.6 to 1.12.7

Bumps [phpstan/phpstan](https://github.com/phpstan/phpstan) from 1.12.6 to 1.12.7.
- [Release notes](https://github.com/phpstan/phpstan/releases)
- [Changelog](https://github.com/phpstan/phpstan/blob/2.0.x/CHANGELOG.md)
- [Commits](phpstan/phpstan@1.12.6...1.12.7)

---
updated-dependencies:
- dependency-name: phpstan/phpstan
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

composer.json

@@ -42,7 +42,7 @@
     "require-dev": {
         "castor/coding-standard": "^9.0",
         "phpstan/extension-installer": "^1.0",
-        "phpstan/phpstan": "^1.8",
+        "phpstan/phpstan": "^1.12",
         "phpstan/phpstan-deprecation-rules": "^1.0",
         "phpstan/phpstan-doctrine": "^1.3",
         "phpstan/phpstan-phpunit": "^1.1",