fix: address typo in error message (#2142)

Author: tswast

tests/system/small/test_dataframe.py

@@ -6034,7 +6034,7 @@ def test_df_astype_python_types(scalars_dfs):
 def test_astype_invalid_type_fail(scalars_dfs):
     bf_df, _ = scalars_dfs
 
-    with pytest.raises(TypeError, match=r".*Share your usecase with.*"):
+    with pytest.raises(TypeError, match=r".*Share your use case with.*"):
         bf_df.astype(123)
 
 

third_party/bigframes_vendored/constants.py

@@ -23,7 +23,7 @@
 import bigframes_vendored.version
 
 FEEDBACK_LINK = (
-    "Share your usecase with the BigQuery DataFrames team at the "
+    "Share your use case with the BigQuery DataFrames team at the "
     "https://bit.ly/bigframes-feedback survey. "
     f"You are currently running BigFrames version {bigframes_vendored.version.__version__}."
 )