add HTTPParser

[dylan-conway]

What does this PR do?

adds HTTPParser to process.binding('http_parser'), and populates _http_common.

should probably move llhttp into cmake rather than copying a build

fixes:

• test-http-parser.js
• test-http-parser-bad-ref.js
• test-http-parser-lazy-loaded.js

closes #13072

How did you verify your code works?

added node-http-parser.test.ts to test HTTPParser prototype functions that are not tested in test-http-parser.js. Also ConnectionsList is tested.

[robobun]

^{Updated 11:19 PM PT - May 30th, 2025}

❌ @dylan-conway, your commit b2cfefa has 3 failures in Build #17833:

• test/bake/dev/stress.test.ts - 1 failing on 🐧 20.04 x64-baseline
• test/bake/dev/stress.test.ts - 1 failing on 🐧 20.04 x64
• test/js/bun/net/tcp.test.ts - 1 failing on 🐧 12 x64-asan
• test/js/bun/spawn/spawn.test.ts - 1 failing on 🪟 2019 x64
• test/js/bun/spawn/spawn.test.ts - 1 failing on 🪟 2019 x64-baseline

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🧪   To try this PR locally:

bunx bun-pr 20049

That installs a local version of the PR into your bun-20049 executable, so you can run:

bun-20049 --bun

[kravetsone]

It's great! Thank you🎉