Bump swc_ecma_ast from 0.106.6 to 0.121.0

Bumps [swc_ecma_ast](https://github.com/swc-project/swc) from 0.106.6 to 0.121.0.
- [Release notes](https://github.com/swc-project/swc/releases)
- [Changelog](https://github.com/swc-project/swc/blob/main/CHANGELOG.md)
- [Commits](https://github.com/swc-project/swc/commits)

---
updated-dependencies:
- dependency-name: swc_ecma_ast
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>