elixir: Make `start_lexical.sh` executable (#14831)
This PR fixes an issue in the Lexical language server installation where
the `start_lexical.sh` script was not being made executable when
installed from GitHub.
Release Notes:
- N/A
ee0dfe9c44Marshall Bowers committed on 7/19/2024, 6:17:04 PM· committed by GitHubparentf4074d7