puppet-os-hardening 2.2.8

Implemented enhancements:

• Updates from pdk template 1.17.0 #236 (mcgege)

Fixed bugs:

• Minimize_access to File [/usr/bin] issue #234
• Fix for integration tests (apt-transport-https missing) #237 (mcgege)

Closed issues:

• Conflicts with apache module #231

Merged pull requests:

• patch-cumuluslinux-support #239 (mdklapwijk)
• Update to PDK 1.15 #233 (mcgege)
• Small fix on kitchen.yml #232 (mcgege)