[Security] Bump tough-cookie and chii

Bumps [tough-cookie](https://github.com/salesforce/tough-cookie) to 5.1.0 and updates ancestor dependency [chii](https://github.com/liriliri/chii). These dependencies need to be updated together.


Updates `tough-cookie` from 2.5.0 to 5.1.0
- [Release notes](https://github.com/salesforce/tough-cookie/releases)
- [Changelog](https://github.com/salesforce/tough-cookie/blob/master/CHANGELOG.md)
- [Commits](https://github.com/salesforce/tough-cookie/compare/v2.5.0...v5.1.0)

Updates `chii` from 1.10.0 to 1.15.4
- [Release notes](https://github.com/liriliri/chii/releases)
- [Changelog](https://github.com/liriliri/chii/blob/master/CHANGELOG.md)
- [Commits](https://github.com/liriliri/chii/compare/v1.10.0...v1.15.4)