build(deps-dev): update overtrue/phplint requirement from 9.5.5 to 9.5.6

Updates the requirements on [overtrue/phplint](https://github.com/overtrue/phplint) to permit the latest version.
- [Release notes](https://github.com/overtrue/phplint/releases)
- [Changelog](https://github.com/overtrue/phplint/blob/main/CHANGELOG.md)
- [Commits](overtrue/phplint@9.5.5...9.5.6)

---
updated-dependencies:
- dependency-name: overtrue/phplint
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

composer.json

@@ -84,7 +84,7 @@
 	},
 	"require-dev": {
 		"fig-r/psr2r-sniffer": "2.1.2",
-		"overtrue/phplint": "9.5.5",
+		"overtrue/phplint": "9.5.6",
 		"phpstan/phpstan": "2.1.1",
 		"phpunit/phpunit": "11.5.2",
 		"phpunit/php-code-coverage": "11.0.8",