Update squizlabs/php_codesniffer requirement from ^3.10 to ^3.11

Updates the requirements on [squizlabs/php_codesniffer](https://github.com/PHPCSStandards/PHP_CodeSniffer) to permit the latest version.
- [Release notes](https://github.com/PHPCSStandards/PHP_CodeSniffer/releases)
- [Changelog](https://github.com/PHPCSStandards/PHP_CodeSniffer/blob/master/CHANGELOG.md)
- [Commits](PHPCSStandards/PHP_CodeSniffer@3.10.0...3.11.1)

---
updated-dependencies:
- dependency-name: squizlabs/php_codesniffer
  dependency-type: direct:development
...

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

composer.json

@@ -34,7 +34,7 @@
         "phpstan/phpstan": "^1.12",
         "phpstan/phpstan-deprecation-rules": "^1.2",
         "phpunit/phpunit": "^9.6",
-        "squizlabs/php_codesniffer": "^3.10"
+        "squizlabs/php_codesniffer": "^3.11"
     },
     "extra": {
         "branch-alias": {