DOC: Add SA01 for pandas.api.types.is_string_dtype (#59305)

DOC: Add see also for pandas.api.types.is_string_dtype

Author: tan-i-ham

ci/code_checks.sh

@@ -304,7 +304,6 @@ if [[ -z "$CHECK" || "$CHECK" == "docstrings" ]]; then
         -i "pandas.api.types.is_re PR07,SA01" \
         -i "pandas.api.types.is_re_compilable PR07,SA01" \
         -i "pandas.api.types.is_sparse SA01" \
-        -i "pandas.api.types.is_string_dtype SA01" \
         -i "pandas.api.types.is_timedelta64_ns_dtype SA01" \
         -i "pandas.api.types.pandas_dtype PR07,RT03,SA01" \
         -i "pandas.api.types.union_categoricals RT03,SA01" \

pandas/core/dtypes/common.py

@@ -558,6 +558,11 @@ def is_string_dtype(arr_or_dtype) -> bool:
     boolean
         Whether or not the array or dtype is of the string dtype.
 
+    See Also
+    --------
+    api.types.is_string_dtype : Check whether the provided array or dtype
+                                is of the string dtype.
+
     Examples
     --------
     >>> from pandas.api.types import is_string_dtype