chore(deps-dev): update squizlabs/php_codesniffer requirement

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@3.7.1...3.10.3)

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

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

Author: dependabot[bot]

composer.json

@@ -44,7 +44,7 @@
 		"log1x/sage-directives": "^1.1"
 	},
 	"require-dev": {
-		"squizlabs/php_codesniffer": "3.7.1"
+		"squizlabs/php_codesniffer": "3.10.3"
 	},
 	"config": {
 		"optimize-autoloader": true,