Takuya Uehara

Use consistant wording for the word GitHub.com

7

### Why: The pages other than this uses the word `GitHub.com` instead of `Github.com`. It seems more natural to use the same wording. ### What's being changed (if available, include...

Just a trivial fix in the document.

This PR update Ruby version to 3.3.4 and Rails version to 7.2.0 to match the current default versions of the project.

## Language name GritQL ## URL of example repository https://github.com/honeycombio/gritql https://github.com/honeycombio/stdlib/tree/main/.grit/patterns ## URL of syntax highlighting grammar https://docs.grit.io/language/syntax ## Most popular extensions `.grit` ## Detected language None