Mention new minimum Ruby version

Author: wilsonzlin

CHANGELOG.md

@@ -3,6 +3,7 @@
 ## Pending
 
 - [Node.js] BREAKING: Minimum Node.js version increased from 8.6.0 to 10.0.0.
+- [Ruby] BREAKING: Minimum Ruby version increased from 2.7 to 3.2.
 - Replace minify-js with [oxc_minifier](https://github.com/oxc-project/oxc) for JavaScript minification.
 - [Python] Add musl builds for Linux.
 - Bump Windows version for GitHub Actions.

README.md

@@ -203,7 +203,7 @@ All [`Cfg` fields](https://docs.rs/minify-html/latest/minify_html/struct.Cfg.htm
 
 - Package: [minify_html](https://rubygems.org/gems/minify_html)
 - Binding: [rb-sys](https://github.com/oxidize-rb/rb-sys) and [magnus](https://github.com/matsadler/magnus)
-- Platforms: Linux (ARM64 and x64), macOS (ARM64 and x64), Windows (x64); Ruby 2.7 to 3.4
+- Platforms: Linux (ARM64 and x64), macOS (ARM64 and x64), Windows (x64); Ruby 3.2 to 3.4
 
 ### Get