Merge branch '2.7.x' into 3.0.x

• 2.7.x: (#7422) Support arrow syntax with metaparams rm packaging artifacts in rpm spec, debian rules Fix build targets for 2.7.x Preserve timestamps when installing files Replace dashes with dots for gem version

Conflicts:
ext/build_defaults.yaml
ext/debian/rules
ext/redhat/puppet.spec.erb
tasks/rake/gem.rake