chore(deps): update rust crate swc_ecma_ast to 0.121.1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
swc_ecma_ast	dependencies	patch	0.121.0 -> 0.121.1

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.

[codspeed-hq]

CodSpeed Performance Report

Merging #196 will degrade performances by 2.91%

_{Comparing renovate/swc (2ff93ef) with main (fa2e159)}

Summary

❌ 1 regressions
✅ 17 untouched benchmarks

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Benchmarks breakdown

	Benchmark	main	renovate/swc	Change
❌	oxc[parallel]	48.7 ms	50.2 ms	-2.91%