feat(node:events): Add EventEmitter.AsyncIterator, fix node:events.{on, once}

[ThatOneBro]

This PR is pretty much ready to go.

There are a few more tests I'll take a few mins to uncomment but seems like for the most part they should easily pass after working through most of the kinks.

TODO: (in another PR)

• Eventually use a lot more builtins.
• node:events.once
• Fix readline.AsyncIterator to use this under the hood. I don't think it will work currently until we merge Add process.stdin.setRawMode #2046 though, so I'll probably put that in that PR

[github-actions]

✅ prettier errors have been resolved. Thank you.

^{#e593b8c7ab570b9ba61631b34f1ee43425933878}

[github-actions]

❌ @ThatOneBro 3 files with test failures on linux-x64:

• test/js/bun/http/serve.test.ts
• test/js/bun/resolve/png/test-png-import.test.js
• test/js/node/child_process/child_process-node.test.js

View test output

^{#e593b8c7ab570b9ba61631b34f1ee43425933878}

[github-actions]

❌ @ThatOneBro 3 files with test failures on linux-x64-baseline:

• test/js/bun/http/serve.test.ts
• test/js/bun/resolve/png/test-png-import.test.js
• test/js/node/child_process/child_process-node.test.js

View test output

^{#e593b8c7ab570b9ba61631b34f1ee43425933878}

[github-actions]

❌ @ThatOneBro 5 files with test failures on bun-darwin-x64-baseline:

• test/js/bun/http/serve.test.ts
• test/js/bun/resolve/png/test-png-import.test.js
• test/js/bun/spawn/spawn-streaming-stdout.test.ts
• test/js/bun/sqlite/sqlite.test.js
• test/js/node/child_process/child_process-node.test.js

View test output

^{#e593b8c7ab570b9ba61631b34f1ee43425933878}

[ThatOneBro]

Ended up finishing events.once() implementation in this one as well. This should get node:events mostly in spec, although it seems getEventListeners() may be somewhat out of spec (see #2586). I'll look into fixing that in another PR if we want to go ahead and merge this one.

[paperclover]

will be replaced by #2604