Fix more pandas v3 related test failures

Author: polyaxon-ci

traceml/tests/test_events_processing/test_df_processor.py

@@ -34,6 +34,7 @@ def setUp(self):
                 df_processors.DFTypes.DATE,
             ],
             name="types",
+            dtype=object,
         )
 
         self.columns = [

traceml/tests/test_summary/test_dfsummary.py

@@ -33,6 +33,7 @@ def setUp(self):
                 DataFrameSummary.TYPE_DATE,
             ],
             name="types",
+            dtype=object,
         )
 
         self.columns = [