Support Ruby 3.4.7 (upgrade from 3.4.4)

[thomaswitt]

Out since two months: https://www.ruby-lang.org/en/news/2025/10/07/ruby-3-4-7-released/

Latest version supported is stil 3.4.4 which has been released in May 2025.

[icaroryan]

Will be resolved by #94

[thomaswitt]

@icaroryan Thanks - but it doesnt show (yet?) on https://chatgpt.com/codex/settings/environment/... ?

[icaroryan]

@thomaswitt The PR I mentioned isn't merged yet, but this issue will be resolved by it when the codex team merges it

[thomaswitt]

@icaroryan Understood. Thanks for the help and taking the time.