Bump berkshelf from 7.2.1 to 7.2.2 in /omnibus
Bump berkshelf from 7.2.1 to 7.2.2 in /omnibus

Bumps [berkshelf](https://github.com/RiotGames/berkshelf) from 7.2.1 to 7.2.2.
- [Release notes](https://github.com/RiotGames/berkshelf/releases)
- [Changelog](https://github.com/berkshelf/berkshelf/blob/master/CHANGELOG.md)
- [Commits](https://github.com/RiotGames/berkshelf/compare/v7.2.1...v7.2.2)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
chef/chef,chef/chef,gene1wood/chef,gene1wood/chef,tas50/chef-1,MsysTechnologiesllc/chef,chef/chef,gene1wood/chef,gene1wood/chef,chef/chef,MsysTechnologiesllc/chef,tas50/chef-1,tas50/chef-1,MsysTechnologiesllc/chef,tas50/chef-1,MsysTechnologiesllc/chef