feat: add new experimental Rust compiler

[Princesseuh]

Changes

• What does this change?
• Be short and concise. Bullet points can help!
• Before/after screenshots can help as well.
• Don't forget a changeset! Run pnpm changeset.
• See https://contribute.docs.astro.build/docs-for-code-changes/changesets/ for more info on writing changesets.

Testing

Docs

[changeset-bot]

🦋 Changeset detected

Latest commit: f2c1665

The changes in this PR will be included in the next version bump.

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

[codspeed-hq]

Merging this PR will not alter performance

✅ 9 untouched benchmarks

---

_{Comparing feat/rust-compiler (f2c1665) with main (d789452)¹}

Footnotes

1. No successful run was found on main (00e95c4) during the generation of this report, so d789452 was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩