Fix auditd reloads on Ubuntu 20.04

[NelsonTang19]

Signed-off-by: Nelson Tang [email protected]

Description

Use the service command for restart and reloads if platform is Ubuntu 20.04 or higher

Issues Resolved

https://github.com/chef-cookbooks/auditd/issues/69

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
• [ ] All commits have been signed for the Developer Certificate of Origin. See https://github.com/chef-cookbooks/community_cookbook_documentation/blob/master/CONTRIBUTING.MD