refactor(opc): Rename async close method to aclose

Renamed the OPC.close asynchronous method to OPC.aclose to align with common Python conventions for asynchronous context managers and methods, improving clarity. All call sites and tests have been updated accordingly.

laborious/activities/activities.py

@@ -164,6 +164,6 @@ class Activities(Storage, MLFlow, Gates, OPC, ModelMetrics, API):
         Storage.close(self)
         MLFlow.close(self)
         Gates.close(self)
-        await OPC.close(self)
+        await OPC.aclose(self)
         ModelMetrics.close(self)
         API.close(self)