Bump lint-staged from 14.0.0 to 15.0.2 in /extensions/ql-vscode (#2999)

Bumps [lint-staged](https://github.com/okonet/lint-staged) from 14.0.0 to 15.0.2.
- [Release notes](https://github.com/okonet/lint-staged/releases)
- [Changelog](https://github.com/lint-staged/lint-staged/blob/master/CHANGELOG.md)
- [Commits](lint-staged/lint-staged@v14.0.0...v15.0.2)

---
updated-dependencies:
- dependency-name: lint-staged
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]