Fix bug with passing capture_* args to neptune callback (#29041)

* Fix bug with passing capture_* args to neptune callback

* ruff happy?

* instantiate (frozen)set only once

* code review

* code review 2

* ruff happy?

* code review

src/transformers/integrations/integration_utils.py

@@ -1265,7 +1265,9 @@ class NeptuneCallback(TrainerCallback):
         self._stop_run_if_exists()
 
         try:
-            self._run = init_run(**self._init_run_kwargs, **additional_neptune_kwargs)
+            run_params = additional_neptune_kwargs.copy()
+            run_params.update(self._init_run_kwargs)
+            self._run = init_run(**run_params)
             self._run_id = self._run["sys/id"].fetch()
         except (NeptuneMissingProjectNameException, NeptuneMissingApiTokenException) as e:
             raise NeptuneMissingConfiguration() from e