Update phpunit/phpunit requirement from ^8.5.26 to ^8.5.27 (#472)

Updates the requirements on [phpunit/phpunit](https://github.com/sebastianbergmann/phpunit) to permit the latest version.
- [Release notes](https://github.com/sebastianbergmann/phpunit/releases)
- [Changelog](https://github.com/sebastianbergmann/phpunit/blob/main/ChangeLog-8.5.md)
- [Commits](https://github.com/sebastianbergmann/phpunit/compare/8.5.26...8.5.27)

---
updated-dependencies:
- dependency-name: phpunit/phpunit
  dependency-type: direct:development
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

composer.json

@@ -45,7 +45,7 @@
 		"phpstan/phpstan": "^1.7.15",
 		"phpstan/phpstan-phpunit": "^1.1.1",
 		"phpstan/phpstan-strict-rules": "^1.3.0",
-		"phpunit/phpunit": "^8.5.26",
+		"phpunit/phpunit": "^8.5.27",
 		"saschaegerer/phpstan-typo3": "^1.1.2",
 		"seld/jsonlint": "^1.9.0",
 		"squizlabs/php_codesniffer": "^3.7.1",