MNT: fix deprecated inplace operation after chained locator access

fastf1/_api.py

@@ -1180,7 +1180,8 @@ def position_data(path, response=None, livedata=None):
                 .merge(most_complete_ref, how='outer') \
                 .sort_values(by='Date') \
                 .reset_index(drop=True)
-            data[drv]['Status'].fillna(value='OffTrack', inplace=True)
+            data[drv]['Status'] = data[drv]['Status'] \
+                .fillna(value='OffTrack', inplace=False)
             data[drv].loc[:, ['X', 'Y', 'Z']] = \
                 data[drv].loc[:, ['X', 'Y', 'Z']]\
                 .fillna(value=0, inplace=False)

fastf1/core.py

@@ -475,7 +475,7 @@ def merge_channels(
         # now use the previously excluded columns to update the missing values
         # in the merged dataframe
         for col in on_both_columns:
-            merged[col].update(data[col])
+            merged.update({col: data[col]})
 
         if 'Driver' in merged.columns and len(merged['Driver'].unique()) > 1:
             raise ValueError("Cannot merge multiple drivers")

pytest.ini

@@ -46,5 +46,4 @@ filterwarnings =
   # TODO: temp, should be resolved with pandas 2.2.1
   ignore:Passing a (Single)?BlockManager to.*:DeprecationWarning
   # TODO: temp, needs to be actually fixed before pandas 3.0.0
-  ignore:A value is trying to be set on a copy of.*:FutureWarning
   ignore:Downcasting object dtype arrays.*:FutureWarning