Add support for Ruby 3.3.0
To cross-compile Ruby 3.3, we need to update to rb-sys v0.9.86 (https://github.com/oxidize-rb/rb-sys/releases/tag/v0.9.86), which uses images that use rack-compiler-dock v1.4.0 (https://github.com/rake-compiler/rake-compiler-dock/releases/tag/1.4.0).
Edited by Stan Hu