TruffleRuby 34: full Ruby 3.4 compatibility, up to 23% faster parsing, and a new Prism-based Ripper with 20x speedups

TruffleRuby 34 achieves full Ruby 3.4 compatibility, implementing all items from the Ruby 3.4 changelog including new methods and improved stack traces. The release features major parsing optimizations (up to 23% faster) and a new Prism-based Ripper with 20x-40x speedups. Available across standard Ruby version managers.