chore(api): convert BaseQueueDispatcher from ABC to Protocol (#37200)

api/tests/unit_tests/services/workflow/test_queue_dispatcher.py

@@ -1,9 +1,6 @@
 from unittest.mock import patch
 
-import pytest
-
 from services.workflow.queue_dispatcher import (
-    BaseQueueDispatcher,
     ProfessionalQueueDispatcher,
     QueueDispatcherManager,
     QueuePriority,
@@ -35,10 +32,6 @@ class TestDispatchers:
         assert d.get_queue_name() == QueuePriority.SANDBOX
         assert d.get_priority() == 10
 
-    def test_base_dispatcher_is_abstract(self):
-        with pytest.raises(TypeError):
-            BaseQueueDispatcher()
-
 
 class TestQueueDispatcherManager:
     @patch("services.workflow.queue_dispatcher.BillingService")