Update dependency squizlabs/php_codesniffer to v4 (#14)

* Update dependency squizlabs/php_codesniffer to v4

* fix phpcs issues

---------

Co-authored-by: text-html-renovate[bot] <182508163+text-html-renovate[bot]@users.noreply.github.com>
Co-authored-by: Mathieu Rochette <mathieu@rochette.cc>

Author: text-html-renovate[bot]

composer.json

@@ -24,7 +24,7 @@
     },
     "require-dev": {
         "php": "^8.2",
-        "squizlabs/php_codesniffer": "^3.6",
+        "squizlabs/php_codesniffer": "^4.0",
         "slevomat/coding-standard": "^8.0",
         "phpstan/phpstan": "^1.12",
         "phpstan/extension-installer": "^1.1",

src/Identity.php

@@ -21,7 +21,7 @@ final public static function of(mixed ...$args): self {
 
     /**
      * @param self|callable():self $ref
-     * @param array-key|null $key
+     * @phpstan-param array-key|null $key
      */
     final protected static function resolve(callable $ref, int|string|null $key): self {
         if ($key === null) {
@@ -50,15 +50,15 @@ final protected static function resolve(callable $ref, int|string|null $key): se
     }
 
     /**
-     * @return array-key
+     * @phpstan-return array-key
      */
     protected function identity(): int|string
     {
         return \serialize($this);
     }
 
     /**
-     * @return array-key|null
+     * @phpstan-return array-key|null
      */
     protected static function inputIdentity(mixed ...$args): int|string|null {
         return null;