Composer: raise the minimum supported PHPCS version to 3.8.0

... for improved PHP 8.2 support.

Author: jrfnl

.github/CONTRIBUTING.md

@@ -39,7 +39,7 @@ When you introduce new `public` sniff properties, or your sniff extends a class
 
 ## Pre-requisites
 * WordPress-Coding-Standards
-* PHP_CodeSniffer 3.7.2 or higher
+* PHP_CodeSniffer 3.8.0 or higher
 * PHPCSUtils 1.0.8 or higher
 * PHPCSExtra 1.2.0 or higher
 * PHPUnit 4.x, 5.x, 6.x or 7.x

composer.json

@@ -21,7 +21,7 @@
 		"ext-libxml": "*",
 		"ext-tokenizer": "*",
 		"ext-xmlreader": "*",
-		"squizlabs/php_codesniffer": "^3.7.2",
+		"squizlabs/php_codesniffer": "^3.8.0",
 		"phpcsstandards/phpcsutils": "^1.0.8",
 		"phpcsstandards/phpcsextra": "^1.2.0"
 	},