[build] Speed up test pipeline with parallel pre-checks

[Han5991]

• Added scripts/tests/run-quality-checks.mjs to run prettier, syncpack, typecheck, and lint in parallel, terminating the remaining tasks if any of them fail so the fast fail signal is preserved.

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[rtivital]

I'd rather not do that, I'll have to maintain the script to run tests, and it is also not noticeably faster.

[Han5991]

I'd rather not do that, I'll have to maintain the script to run tests, and it is also not noticeably faster.

I agree with that point as well.