DOC: add SA01 for pandas.api.types.is_int64_dtype
part of https://github.com/pandas-dev/pandas/issues/58577

``` -i "pandas.api.types.is_int64_dtype SA01" \```
same as in the other pr
```
Error: /home/runner/work/pandas/pandas/pandas/core/dtypes/common.py:807:GL07:pandas.api.types.is_int64_dtype:Sections are in the wrong order. Correct order is: Parameters, Returns, See Also, Notes, Examples
Error: /home/runner/work/pandas/pandas/pandas/core/dtypes/common.py:807:SA05:pandas.api.types.is_int64_dtype:pandas.api.types.is_numeric_dtype in `See Also` section does not need `pandas` prefix, use api.types.is_numeric_dtype instead.
Validate Docstrings DONE
Error: Process completed with exit code 2.
``` Thanks for the pull request, but it appears to have gone stale. If interested in continuing, please merge in the main branch, address any review comments and/or failing tests, and we can reopen.