feat: drop Node 4, 6, 8, 10, 12, 14 & 16 support

[MichaelDeBoey]

BREAKING CHANGE: Requires Node@^18.18.0 || ^20.9.0 || >=21.1.0

Closes #2053

[socket-security]

New, updated, and removed dependencies detected. Learn more about Socket for GitHub ↗︎

Package	New capabilities	Transitives	Size	Publisher
npm/@arethetypeswrong/cli@0.15.4	Transitive: environment, filesystem, network, shell, unsafe	+43	39.8 MB	andrewbranch
npm/@ljharb/tsconfig@0.2.3	None	0	18.8 kB	ljharb
npm/@types/debug@4.1.12	None	+1	11.6 kB	types
npm/enhanced-resolve@0.9.1	Transitive: environment, filesystem	+2	98.3 kB	sokra
npm/find-root@1.1.0	filesystem	0	5.27 kB	jsdnxx
npm/interpret@1.4.0	None	0	14.9 kB	phated
npm/react@16.14.0	environment	+4	409 kB	gaearon
npm/resolve@2.0.0-next.5	environment, filesystem	+1	143 kB	ljharb
npm/typescript@5.8.0-dev.20250123	None	0	22.9 MB	typescript-bot

🚮 Removed packages: npm/@angular-eslint/template-parser@13.5.0, npm/@typescript-eslint/parser@5.62.0, npm/babel-cli@6.26.0, npm/babel-eslint@10.1.0, npm/babel-plugin-module-resolver@2.7.1, npm/babel-preset-airbnb@2.6.0, npm/babel-preset-flow@6.23.0, npm/chai@4.5.0, npm/cross-env@4.0.0, npm/escope@3.6.0, npm/eslint-doc-generator@1.7.1, npm/eslint-import-resolver-typescript@1.1.1, npm/eslint-plugin-eslint-plugin@2.3.0, npm/eslint-plugin-json@2.1.2, npm/find-babel-config@=1.2.0, npm/fs-copy-file-sync@1.1.1, npm/in-publish@2.0.1, npm/jackspeak@=2.1.1, npm/jsonc-parser@=3.2.0, npm/linklocal@2.8.2, npm/lodash.isarray@4.0.0, npm/markdownlint-cli@0.35.0

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[socket-security]

👍 Dependency issues cleared. Learn more about Socket for GitHub ↗︎

This PR previously contained dependency changes with security issues that have been resolved, removed, or ignored.

View full report↗︎

[MichaelDeBoey]

@ljharb Settings should be updated to make node 18+ required instead of node 4+

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.62%. Comparing base (fd1ae63) to head (15ebf42).

Additional details and impacted files

@@ Coverage Diff @@ ## main #3091 +/- ## ========================================== + Coverage 95.60% 95.62% +0.02%  ========================================== Files 83 83 Lines 3637 3636 -1 Branches 1285 1284 -1 ========================================== Hits 3477 3477 + Misses 160 159 -1 

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