Bump connection_pool from 2.5.5 to 3.0.2 in the dependencies group
Bumps the dependencies group with 1 update: [connection_pool](https://github.com/mperham/connection_pool).
Updates `connection_pool` from 2.5.5 to 3.0.2
- [Changelog](https://github.com/mperham/connection_pool/blob/main/Changes.md)
- [Commits](https://github.com/mperham/connection_pool/compare/v2.5.5...v3.0.2)