composer(deps-dev): bump phpstan/phpstan-doctrine from 1.2.7 to 1.2.8

Bumps [phpstan/phpstan-doctrine](https://github.com/phpstan/phpstan-doctrine) from 1.2.7 to 1.2.8.
- [Release notes](https://github.com/phpstan/phpstan-doctrine/releases)
- [Commits](phpstan/phpstan-doctrine@1.2.7...1.2.8)

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

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

composer.json

@@ -40,7 +40,7 @@
     "phpstan/extension-installer": "^1.1.0",
     "phpstan/phpstan": "^1.4.2",
     "phpstan/phpstan-deprecation-rules": "^1.0.0",
-    "phpstan/phpstan-doctrine": "^1.2.7",
+    "phpstan/phpstan-doctrine": "^1.2.8",
     "phpstan/phpstan-phpunit": "^1.0.0",
     "phpstan/phpstan-strict-rules": "^1.1.0",
     "phpunit/phpunit": "^9.5.13",