composer(deps-dev): bump phpstan/phpstan from 0.12.66 to 0.12.67

Bumps [phpstan/phpstan](https://github.com/phpstan/phpstan) from 0.12.66 to 0.12.67.
- [Release notes](https://github.com/phpstan/phpstan/releases)
- [Commits](phpstan/phpstan@0.12.66...0.12.67)

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

composer.json

@@ -35,7 +35,7 @@
     "infection/infection": "~0.18.2",
     "jangregor/phpstan-prophecy": "~0.8.1",
     "phpstan/extension-installer": "^1.1.0",
-    "phpstan/phpstan": "~0.12.66",
+    "phpstan/phpstan": "~0.12.67",
     "phpstan/phpstan-deprecation-rules": "~0.12.6",
     "phpstan/phpstan-doctrine": "~0.12.27",
     "phpstan/phpstan-phpunit": "~0.12.17",