fix: update emulator client to handle host and port configuration separately

Co-Authored-By: Rushil Srivastava <[email protected]>

Author: devin-ai-integration[bot]

fastapi_gcp_tasks/utils.py

@@ -46,7 +46,8 @@ def ensure_queue(
 
 def emulator_client() -> tasks_v2.CloudTasksClient:
     """Helper function to create a CloudTasksClient from an emulator host."""
-    host = os.getenv("CLOUD_TASKS_EMULATOR_HOST", "localhost:8124")
-    channel = grpc.insecure_channel(host)
+    host = os.getenv("CLOUD_TASKS_EMULATOR_HOST", "localhost")
+    port = os.getenv("CLOUD_TASKS_EMULATOR_PORT", "8123")
+    channel = grpc.insecure_channel(f"{host}:{port}")
     transport = transports.CloudTasksGrpcTransport(channel=channel)
     return tasks_v2.CloudTasksClient(transport=transport)