chore: Update CHANGELOG for initial RBS types support and Ruby version requirement

Author: route

CHANGELOG.md

@@ -3,11 +3,13 @@
 ### Added
 - `Ferrum::Network::Response#body!` returns body or throws error if implicable
 - `Ferrum::Browser#new(dockerize: true)` whether to add CLI flags to run a browser in a container, `false` by default
+- Initial support for RBS types [#565]
 
 ### Changed
 - `Ferrum::Network::Response#body` returns body or nil in case of errors
 - Disable Chrome code sign clones [#555]
 - `Ferrum::Browser` option `:pending_connection_errors` is set to false by default
+- Ruby version required is >= 3.1 [#565]
 
 ### Fixed
 - Proper handle wss urls, and fix session_id loss for undetermined order of CDP events [#559]