Bump phpstan/phpstan from 1.9.7 to 1.9.8

Bumps [phpstan/phpstan](https://github.com/phpstan/phpstan) from 1.9.7 to 1.9.8.
- [Release notes](https://github.com/phpstan/phpstan/releases)
- [Changelog](https://github.com/phpstan/phpstan/blob/1.9.x/CHANGELOG.md)
- [Commits](https://github.com/phpstan/phpstan/compare/1.9.7...1.9.8)

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

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

composer.json

@@ -115,7 +115,7 @@
     "filp/whoops": "2.*",
     "mockery/mockery": "1.*",
     "nunomaduro/larastan": "^2.0",
-    "phpstan/phpstan": "^1.8",
+    "phpstan/phpstan": "^1.9",
     "phpstan/phpstan-deprecation-rules": "^1.0",
     "phpstan/phpstan-strict-rules": "^1.4",
     "phpunit/phpunit": "^9.5",