CLN: assorted
- [ ] closes #xxxx (Replace xxxx with the GitHub issue number)
- [ ] [Tests added and passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#writing-tests) if fixing a bug or adding a new feature
- [ ] All [code checks passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit).
- [ ] Added [type annotations](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#type-hints) to new arguments/methods/functions.
- [ ] Added an entry in the latest `doc/source/whatsnew/vX.X.X.rst` file if fixing a bug or adding a new feature.

```
2023-08-21T21:16:17.4537902Z /home/runner/work/pandas/pandas/pandas/core/indexes/base.py:docstring of pandas.core.indexes.base.Index.get_indexer:44: CRITICAL: Unexpected section title or transition.
2023-08-21T21:16:17.4538391Z 
2023-08-21T21:16:17.4538801Z -----
2023-08-21T21:16:17.4539546Z /home/runner/work/pandas/pandas/pandas/core/indexes/base.py:docstring of pandas.core.indexes.base.Index.get_indexer:44: CRITICAL: Unexpected section title or transition.
2023-08-21T21:16:17.4539976Z 
2023-08-21T21:16:17.4540160Z -----
2023-08-21T21:16:17.4540647Z /home/runner/work/pandas/pandas/pandas/core/indexes/base.py:docstring of pandas.core.indexes.base.Index.get_indexer:44: CRITICAL: Unexpected section title or transition.
2023-08-21T21:16:17.4541159Z looking for now-outdated files... none found
2023-08-21T21:16:17.4541409Z 
2023-08-21T21:16:17.4541582Z -----
``` Thanks @jbrockmendel 