Add Throwable to CommandBus::dispatch @throws

Handlers can throw any exception, and without declaring it, catching one forces `@phpstan-ignore catch.neverThrown` everywhere, which is a bad pattern.

Signed-off-by: Nicolo Singer <nicolo@whatwedo.ch>

Author: tuxes3

src/CommandBus/CommandBus.php

@@ -4,8 +4,13 @@
 
 namespace Patchlevel\EventSourcing\CommandBus;
 
+use Throwable;
+
 interface CommandBus
 {
-    /** @throws HandlerNotFound */
+    /**
+     * @throws HandlerNotFound
+     * @throws Throwable
+     */
     public function dispatch(object $command): void;
 }