log lcut to process (#343)

Context
Openai wants to know lcut being processed

![Screenshot 2024-10-09 at 11 00 43
AM](https://github.com/user-attachments/assets/c7dea5ef-d1c1-4d00-baf0-d1b56176316b)
![Screenshot 2024-10-09 at 11 00 27
AM](https://github.com/user-attachments/assets/29598b3a-0712-4347-a21f-fe2568af247a)

Author: xinlili-statsig

statsig/spec_store.py

@@ -140,6 +140,7 @@ def _initialize_specs(self):
     def _process_specs(self, specs_json, reason: EvaluationReason) -> Tuple[bool, bool]:  # has update, parse success
         self._log_process("Processing specs...")
         if specs_json.get("has_updates", False) is False:
+            globals.logger.debug("Received update: %s", "No Update")
             return False, True
         if not self.spec_updater.is_specs_json_valid(specs_json):
             self._log_process("Failed to process specs")
@@ -222,6 +223,7 @@ def parse_target_value_map_from_spec(spec, parsed):
         self._experiment_to_layer = new_experiment_to_layer
         self.spec_updater.last_update_time = specs_json.get("time", 0)
         self.init_reason = reason
+        globals.logger.debug("Received update: %s", self.spec_updater.last_update_time)
 
         flags = specs_json.get("sdk_flags", {})
         _SDK_Configs.set_flags(flags)
@@ -230,7 +232,6 @@ def parse_target_value_map_from_spec(spec, parsed):
 
         sampling_rate = specs_json.get("diagnostics", {})
         self._diagnostics.set_sampling_rate(sampling_rate)
-
         self._log_process("Done processing specs")
         return True, True