Update squizlabs/php_codesniffer requirement from ^3.5.5 to ^3.5.8

Updates the requirements on [squizlabs/php_codesniffer](https://github.com/squizlabs/PHP_CodeSniffer) to permit the latest version.
- [Release notes](https://github.com/squizlabs/PHP_CodeSniffer/releases)
- [Commits](squizlabs/PHP_CodeSniffer@3.5.5...3.5.8)

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

Author: dependabot-preview[bot]

composer.json

@@ -24,7 +24,7 @@
         "php": "^7.1 || ^8.0",
         "dealerdirect/phpcodesniffer-composer-installer": "^0.6.2 || ^0.7",
         "slevomat/coding-standard": "^6.3.9",
-        "squizlabs/php_codesniffer": "^3.5.5"
+        "squizlabs/php_codesniffer": "^3.5.8"
     },
     "config": {
         "sort-packages": true