Add first_execution_run_id to workflow info

Author: tconley1428

temporalio/worker/_workflow.py

@@ -522,6 +522,7 @@ def _create_workflow_instance(
             execution_timeout=init.workflow_execution_timeout.ToTimedelta()
             if init.HasField("workflow_execution_timeout")
             else None,
+            first_execution_run_id=init.first_execution_run_id,
             headers=dict(init.headers),
             namespace=self._namespace,
             parent=parent,

temporalio/workflow.py

@@ -493,6 +493,7 @@ class Info:
     continued_run_id: Optional[str]
     cron_schedule: Optional[str]
     execution_timeout: Optional[timedelta]
+    first_execution_run_id: str
     headers: Mapping[str, temporalio.api.common.v1.Payload]
     namespace: str
     parent: Optional[ParentInfo]