sandbox-npm(deps-dev): bump @eslint-community/regexpp in /sandbox

Bumps [@eslint-community/regexpp](https://github.com/eslint-community/regexpp) from 4.11.1 to 4.12.1.
- [Release notes](https://github.com/eslint-community/regexpp/releases)
- [Commits](eslint-community/regexpp@v4.11.1...v4.12.1)

---
updated-dependencies:
- dependency-name: "@eslint-community/regexpp"
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]