Bump ruby to 2.7.5 (#33485)

[amgleitman]

This is a cherry-pick of 2c87b74, which resolves some component governance issues.

Original PR description:

Summary:
This bumps ruby to the latest 2.7.x versions which includes bug fixes and 3 CVEs (https://www.ruby-lang.org/en/news/2021/11/24/ruby-2-7-5-released/)

[iOS] [Changed] - Bump ruby to 2.7.5

Pull Request resolved: react#33485

Test Plan: no test plan, should just pass tests.

Reviewed By: cortinico

Differential Revision: D35116757

Pulled By: GijsWeterings

fbshipit-source-id: a8e96bfcc6086b70dac21aee24bae46fe6b072bb

⚠️ Make sure you are targeting microsoft/react-native-macos for your PR ⚠️

(then delete these lines)

Please select one of the following

• I am removing an existing difference between facebook/react-native and microsoft/react-native-macos 👍
• I am cherry-picking a change from Facebook's react-native into microsoft/react-native-macos 👍
• I am making a fix / change for the macOS implementation of react-native
• I am making a change required for Microsoft usage of react-native

Summary

Changelog

[CATEGORY] [TYPE] - Message

Test Plan