build(deps-dev): bump lint-staged in /apps/OpenSign

Bumps [lint-staged](https://github.com/okonet/lint-staged) from 15.0.1 to 15.2.2.
- [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@v15.0.1...v15.2.2)

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

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

Author: dependabot[bot]