Bump oxlint from 0.15.4 to 0.15.7 in /packages/rtckit-node

Bumps [oxlint](https://github.com/oxc-project/oxc/tree/HEAD/npm/oxlint) from 0.15.4 to 0.15.7.
- [Release notes](https://github.com/oxc-project/oxc/releases)
- [Changelog](https://github.com/oxc-project/oxc/blob/main/npm/oxlint/CHANGELOG.md)
- [Commits](https://github.com/oxc-project/oxc/commits/oxlint_v0.15.7/npm/oxlint)

---
updated-dependencies:
- dependency-name: oxlint
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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