ref(dx): Fix one more path to eventstore in services (#97765)

Author: evanpurkhiser

src/sentry/workflow_engine/processors/workflow.py

@@ -10,9 +10,9 @@
 from django.utils import timezone
 
 from sentry import buffer, features
-from sentry.eventstore.models import GroupEvent
 from sentry.models.activity import Activity
 from sentry.models.environment import Environment
+from sentry.services.eventstore.models import GroupEvent
 from sentry.utils import json
 from sentry.workflow_engine.models import Action, DataConditionGroup, Detector, Workflow
 from sentry.workflow_engine.models.workflow_data_condition_group import WorkflowDataConditionGroup