Fix typo in melt value_name futurewarning (#38301)

Author: fmaguire

pandas/core/reshape/melt.py

@@ -42,7 +42,7 @@ def melt(
     if value_name in frame.columns:
         warnings.warn(
             "This dataframe has a column name that matches the 'value_name' column "
-            "name of the resultiing Dataframe. "
+            "name of the resulting Dataframe. "
             "In the future this will raise an error, please set the 'value_name' "
             "parameter of DataFrame.melt to a unique name.",
             FutureWarning,