bash: Add highlighting of ANSI c string (#3153)

Fixes zed-industries/community#2169

Release Notes:

- Fixed highlighting of ANSI C strings ($'foo') in "Shell script"
language buffers.
6c163afb84Piotr Osiewicz committed on 10/24/2023, 7:15:35 AM· committed by GitHubparenta5836b0
1 file changedLine totals unavailable