Fix invokable validation rule return type (#54179)

src/Illuminate/Validation/InvokableValidationRule.php

@@ -64,7 +64,7 @@ protected function __construct(ValidationRule|InvokableRule $invokable)
      * Create a new implicit or explicit Invokable validation rule.
      *
      * @param  \Illuminate\Contracts\Validation\ValidationRule|\Illuminate\Contracts\Validation\InvokableRule  $invokable
-     * @return \Illuminate\Contracts\Validation\Rule|\Illuminate\Validation\InvokableValidationRule
+     * @return \Illuminate\Validation\InvokableValidationRule
      */
     public static function make($invokable)
     {