Bump test262 from 9d7eb80 to 6f146e6 (#3165)

Bumps [test262](https://github.com/tc39/test262) from `9d7eb80` to `6f146e6`.
- [Commits](tc39/test262@9d7eb80...6f146e6)

---
updated-dependencies:
- dependency-name: test262
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>