Create unassignUser, unassignSelf methods and Bruno requests. Add call events when needed

app/Policies/TasksPolicy.php

@@ -18,6 +18,11 @@ class TasksPolicy
         return $user->role === 1 || $user->role === 2;
     }
 
+    public function unassignOther(User $user, Task $model): bool
+    {
+        return $user->role === 1 || $user->role === 2;
+    }
+
     public function delete(User $user, Task $model): bool
     {
         return $user->role === 1 || $user->role === 2;