Bump nunomaduro/larastan from 2.5.1 to 2.6.0

Bumps [nunomaduro/larastan](https://github.com/nunomaduro/larastan) from 2.5.1 to 2.6.0.
- [Release notes](https://github.com/nunomaduro/larastan/releases)
- [Changelog](https://github.com/nunomaduro/larastan/blob/master/RELEASE.md)
- [Commits](https://github.com/nunomaduro/larastan/compare/2.5.1...v2.6.0)

---
updated-dependencies:
- dependency-name: nunomaduro/larastan
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

composer.json

@@ -114,7 +114,7 @@
     "fakerphp/faker": "1.*",
     "filp/whoops": "2.*",
     "mockery/mockery": "1.*",
-    "nunomaduro/larastan": "^2.5",
+    "nunomaduro/larastan": "^2.6",
     "phpstan/phpstan": "^1.10",
     "phpstan/phpstan-deprecation-rules": "^1.1",
     "phpstan/phpstan-strict-rules": "^1.4",