Add a setting to increase the thickness of the active indent guide (#13210)

Resolves #12312.

Release Notes:

- Added an option to configure the line width of the active indent guide
[#12312](https://github.com/zed-industries/zed/issues/12312)
44c479c50cStanislav Alekseev committed on 6/21/2024, 8:53:46 AM· committed by GitHubparentc870997
5 files changedLine totals unavailable