Add latest changes to CHANGELOG [ci skip]

CHANGELOG-3.3.md

@@ -1,5 +1,10 @@
-## RubyInstaller-3.3.0-1 - 2023-12-25
+## RubyInstaller-3.3.0-1 - 2023-12-26
 
 This is the first release based on ruby-3.3.0: https://www.ruby-lang.org/en/news/2023/12/25/ruby-3-3-0-released/
 
 ### Changes compared to RubyInstaller-3.2.2-1
+
+- Remove the `.irbrc` file previously generated by RubyInstaller versions before 3.3.0.
+  It is no longer necessary, since the enabled extensions have been made defaults in ruby core.
+- Return registry strings as UTF-8 instead of OEM charset. #348
+- Update the SSL CA certificate list and to OpenSSL-3.2.0.