v2.0.571

• Dev: Fix npm audit: upgrade jest, typescript, and patch transitive deps
  • jest ^27 → ^30 (fixes @tootallnate/once vulnerability chain)
  • typescript ^4.6 → ^5.8
  • Add npm overrides for diff and serialize-javascript (mocha transitive deps)
  • tsconfig: target es6 → es2020, add skipLibCheck
• Add a built-in Squint Connect Sequence
• Add a built-in Epupp Connect Sequence
• Jack-in and connect menus sort project types deps.edn, then dialects, then generics