Improve Ruby Syntax (#10255)

Release Notes:

fixes #9995  being able to target constants
<img width="336" alt="image"
src="https://github.com/zed-industries/zed/assets/7274458/9e8cc438-10c4-441f-9140-3f4b418bd3bd">

Adds highlighting for parameters In blocks
<img width="318" alt="image"
src="https://github.com/zed-industries/zed/assets/7274458/4fa45fbe-104b-4778-994b-3b6d6ba930d4">
ce5bc399dfBen Hamment committed on 4/8/2024, 11:12:24 AM· committed by GitHubparent4f9ad30
1 file changedLine totals unavailable