grammars: Update Bash grammar (#3155)

Fixes zed-industries/community#2168

Release Notes:
- Updated Bash (Shell script) Tree-sitter grammar (fixes
zed-industries/community#2168)
97a0864134Piotr Osiewicz committed on 10/24/2023, 7:16:06 AM· committed by GitHubparent6c163af
2 files changedLine totals unavailable