Owen Lin 2b4cc221df fix(bazel): fix simdutf (#16925) ...

## Summary

This changes our V8 Bazel wiring so `simdutf` no longer comes from a
live `git_repository` fetch against Chromium's Googlesource host.

Instead, we pull `simdutf` from a pinned GitHub release archive and keep
the V8 `simdutf` target wired through the external repo. The
archive-backed target is set up to match the way V8 consumes `simdutf`
today, including the amalgamated `src/simdutf.cpp` entrypoint and the
internal files it includes.

## Why

CI was intermittently failing while Bazel tried to fetch:

`https://chromium.googlesource.com/chromium/src/third_party/simdutf/`

That fetch was returning HTTP 429s, which then fan out into failures in
the Bazel jobs, the SDK job, and the argument-comment lint jobs since
they all go through the same dependency resolution path.

## What changed

- replaced the `simdutf` `git_repository` in the patched V8 module deps
with a pinned `http_archive`
- pointed that archive at `simdutf` `v7.7.0` on GitHub
- added the archive hash so the fetch is deterministic
- kept the V8 BUILD patch pointing `:simdutf` at the external
`@simdutf//:simdutf` target
- configured the Bazel `cc_library` for the archive to use the
amalgamated `src/simdutf.cpp` source plus the internal headers / textual
includes it depends on

## Validation

- ran `bazel build @v8//:simdutf`
- confirmed the target builds successfully with the new archive-backed
wiring

2026-04-06 11:56:54 -07:00

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