Avoid potential runit cookbook failures on RHEL

[tas50]

Description

Require a version of runit cookbook that supports RHEL

Issues Resolved

[List any existing issues this PR resolves]

Check List

• [ ] All tests pass. See https://github.com/chef-cookbooks/community_cookbook_documentation/blob/master/TESTING.MD
• [ ] New functionality includes testing.
• [ ] New functionality has been documented in the README if applicable
• [ ] The CLA has been signed. See https://github.com/chef-cookbooks/community_cookbook_documentation/blob/master/CONTRIBUTING.MD

[tas50]

This is failing in docker now, but it should have been failing before. It passes locally. I'll work on getting it converted to inspec post 2.8.1