Summary

This PR migrates the project from yarn v1 to v3 with classic-mode node_modules support (dependabot support for v4 is incomplete currently).

.gitignore yarn entries updated
yarn.lock migrated
yarn config updated
- interactive-tools and typescript plugins added
- nodeLinker option explicitly set to node-modules (yarn classic-compatibility)
obsolete manual package resolutions removed
husky install moved from prepare to postinstall lifecycle script
prepublishOnly lifecycle script moved to prepack
yarn build moved from prepare to prepack lifecycle script
happo-ci script updated to call happo-ci-github-actions via npx (yarn v2+ breaks otherwise)
dangerfile script updated to support yarn npm audit

How To Test