Enhance OpcManager logging for data change notifications

- Added logging statements to OpcManager to track data change notifications and cycle count resets for monitored tags.
- Improved traceability of events related to OPC cycles, aiding in debugging and monitoring.

ingestor/managers/opc_manager.py

@@ -222,6 +222,12 @@ class OpcManager():
         source_timestamp = monitored_item.Value.SourceTimestamp
         tag = str(node)
 
+        self.logger.info(
+            f"Data change notification received for tag: {tag} after {self.nodes[tag]['cycle_rule']['cycle_count']} cycles")
+
+        self.logger.info(
+            f"Resetting cycle count for tag: {tag} after {self.non_receive_count} OPC cycles")
+
         self.nodes[tag]['cycle_rule']['cycle_count'] = 0
         self.non_receive_count = 0