build: bump public_suffix from 3.0.3 to 3.1.0 in /docs
build: bump public_suffix from 3.0.3 to 3.1.0 in /docs

Bumps [public_suffix](https://github.com/weppos/publicsuffix-ruby) from 3.0.3 to 3.1.0.
- [Release notes](https://github.com/weppos/publicsuffix-ruby/releases)
- [Changelog](https://github.com/weppos/publicsuffix-ruby/blob/master/CHANGELOG.md)
- [Commits](https://github.com/weppos/publicsuffix-ruby/compare/v3.0.3...v3.1.0)
konqui/brew,claui/brew,EricFromCanada/brew,JCount/brew,Homebrew/brew,claui/brew,mahori/brew,konqui/brew,sjackman/homebrew,mahori/brew,Homebrew/brew,konqui/brew,MikeMcQuaid/brew,mahori/brew,EricFromCanada/brew,MikeMcQuaid/brew,konqui/brew,vitorgalvao/brew,MikeMcQuaid/brew,vitorgalvao/brew,nandub/brew,MikeMcQuaid/brew,sjackman/homebrew,JCount/brew,mahori/brew,Homebrew/brew,reitermarkus/brew,sjackman/homebrew,JCount/brew,reitermarkus/brew,EricFromCanada/brew,reitermarkus/brew,vitorgalvao/brew,Homebrew/brew,nandub/brew,JCount/brew,sjackman/homebrew,claui/brew,vitorgalvao/brew,EricFromCanada/brew,claui/brew,reitermarkus/brew,nandub/brew,nandub/brew