Update php-parallel-lint/php-parallel-lint requirement

Updates the requirements on [php-parallel-lint/php-parallel-lint](https://github.com/php-parallel-lint/PHP-Parallel-Lint) to permit the latest version.
- [Release notes](https://github.com/php-parallel-lint/PHP-Parallel-Lint/releases)
- [Changelog](https://github.com/php-parallel-lint/PHP-Parallel-Lint/blob/v1.4.0/CHANGELOG.md)
- [Commits](php-parallel-lint/PHP-Parallel-Lint@v1.3.2...v1.4.0)

---
updated-dependencies:
- dependency-name: php-parallel-lint/php-parallel-lint
  dependency-type: direct:development
...

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

composer.json

@@ -31,7 +31,7 @@
         "nepada/phpstan-nette-tester": "1.1.0",
         "spaze/phpstan-disallowed-calls": "3.1.2",
         "shipmonk/phpstan-rules": "2.11.3",
-        "php-parallel-lint/php-parallel-lint": "1.3.2",
+        "php-parallel-lint/php-parallel-lint": "1.4.0",
         "nepada/coding-standard": "7.14.0",
         "composer-runtime-api": "^2.0",
         "composer/semver": "3.4.0"