Update cane requirement from = 2.6.2 to = 3.0.0
Update cane requirement from = 2.6.2 to = 3.0.0

Updates the requirements on [cane](https://github.com/square/cane) to permit the latest version.
- [Release notes](https://github.com/square/cane/releases)
- [Changelog](https://github.com/square/cane/blob/master/HISTORY.md)
- [Commits](https://github.com/square/cane/commits/v3.0.0)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
test-kitchen/kitchen-dsc