Bump itamae from 1.10.5 to 1.10.6
Bump itamae from 1.10.5 to 1.10.6

Bumps [itamae](https://github.com/itamae-kitchen/itamae) from 1.10.5 to 1.10.6.
- [Release notes](https://github.com/itamae-kitchen/itamae/releases)
- [Changelog](https://github.com/itamae-kitchen/itamae/blob/master/CHANGELOG.md)
- [Commits](https://github.com/itamae-kitchen/itamae/compare/v1.10.5...v1.10.6)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
sue445/jenkins-backup-script,sue445/jenkins-backup-script