fix: 更新多个文件中的回调参数类型注释以提高类型准确性

Author: huangdijia

src/SignalRegistry.php

@@ -35,7 +35,7 @@ public function __construct(protected int $timeout = 1, protected int $concurren
 
     /**
      * @param int|int[] $signo
-     * @param callable(int $signo): void $signalHandler
+     * @param (callable(int $signo): void) $signalHandler
      */
     public function register(int|array $signo, callable $signalHandler): void
     {
@@ -64,7 +64,7 @@ public function unregister(null|int|array $signo = null): void
     }
 
     /**
-     * @param callable(int $signo): void $signalHandler
+     * @param (callable(int $signo): void) $signalHandler
      */
     protected function pushSignalHandler(int $signo, callable $signalHandler): void
     {

src/Traits/InteractsWithSignals.php

@@ -24,7 +24,7 @@ trait InteractsWithSignals
      * Define a callback to be run when the given signal(s) occurs.
      *
      * @param int|int[] $signo
-     * @param callable(int $signo): void $callback
+     * @param (callable(int $signo): void) $callback
      */
     protected function trap(array|int $signo, callable $callback): void
     {