Maintenance: Bump spring from 3.0.0 to 3.1.0
Bumps [spring](https://github.com/rails/spring) from 3.0.0 to 3.1.0.
- [Release notes](https://github.com/rails/spring/releases)
- [Changelog](https://github.com/rails/spring/blob/main/CHANGELOG.md)
- [Commits](https://github.com/rails/spring/compare/v3.0.0...v3.1.0)