Changed
- Update to ruby-3.0.4, see release notes.
- Update of the SSL CA certificate list.
- No longer require fiddle before booting Rubygems, but use the new C-extension "win32/dll_directory".
Fixes #251 - Update the bundled MSYS2 keyring package.
Removed
- No longer respond to MSYSTEM environment variable for setting a cross build environment. #269