Fix HookManagerInterface annotation (#1395)

* Align OpenTelemetry\API\Instrumentation\AutoInstrumentation\HookManagerInterface::hook signatures with OpenTelemetry\Instrumentation\hook.

Co-authored-by: Tobias Bachert <[email protected]>

src/API/Instrumentation/AutoInstrumentation/HookManagerInterface.php

@@ -9,10 +9,9 @@
 
 interface HookManagerInterface
 {
-
     /**
-     * @param Closure(object|string|null,array,string,string,string|null,int|null):void|null $preHook
-     * @param Closure(object|string|null,array,mixed,Throwable|null,string,string,string|null,int|null):void|null $postHook
+     * @param ?Closure(object|string|null, array, ?string, string, ?string, ?int): (array|null|void) $preHook
+     * @param ?Closure(object|string|null, array, mixed, ?Throwable): (mixed|void) $postHook
      */
     public function hook(?string $class, string $function, ?Closure $preHook = null, ?Closure $postHook = null): void;
 }