SIENTIAPDE-1312

Enhance OpcManager to accept subscription period from configuration

- Updated OpcManager to include subscription_period_ms as a parameter for better configurability.
- Refactored create_subscription method to utilize the new subscription period parameter.
- Adjusted unit tests to reflect changes in subscription handling and ensure correct functionality.

ingestor/managers/ingestor_manager.py

@@ -141,6 +141,7 @@ class IngestorManager(BaseActivity):
             manager = OpcManager(
                 name=server_config['name'],
                 url=server_config['url'],
+                subscription_period_ms=server_config['subscription_period_ms'],
                 data_manager=self.data_manager,
                 logger=self.logger,
                 server_uri=server_config['server_uri'],