build: bump tzinfo from 1.2.6 to 1.2.7 in /docs
build: bump tzinfo from 1.2.6 to 1.2.7 in /docs

Bumps [tzinfo](https://github.com/tzinfo/tzinfo) from 1.2.6 to 1.2.7.
- [Release notes](https://github.com/tzinfo/tzinfo/releases)
- [Changelog](https://github.com/tzinfo/tzinfo/blob/master/CHANGES.md)
- [Commits](https://github.com/tzinfo/tzinfo/compare/v1.2.6...v1.2.7)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
konqui/brew,JCount/brew,vitorgalvao/brew,mahori/brew,MikeMcQuaid/brew,sjackman/homebrew,claui/brew,nandub/brew,MikeMcQuaid/brew,Homebrew/brew,EricFromCanada/brew,Homebrew/brew,konqui/brew,reitermarkus/brew,reitermarkus/brew,nandub/brew,claui/brew,mahori/brew,konqui/brew,MikeMcQuaid/brew,JCount/brew,EricFromCanada/brew,JCount/brew,sjackman/homebrew,mahori/brew,Homebrew/brew,JCount/brew,sjackman/homebrew,EricFromCanada/brew,vitorgalvao/brew,EricFromCanada/brew,claui/brew,mahori/brew,nandub/brew,MikeMcQuaid/brew,nandub/brew,vitorgalvao/brew,sjackman/homebrew,vitorgalvao/brew,Homebrew/brew,reitermarkus/brew,claui/brew,reitermarkus/brew,konqui/brew