Use the latest libarchive (3.6.0)
Use the latest libarchive (3.6.0)

Unpin and rely on bumping of omnibus-software to pull in the latest

Signed-off-by: Tim Smith <764ef62106582a09ed09dfa0b6bff7c05fd7d1e4@chef.io>

gene1wood/chef,chef/chef,chef/chef,chef/chef,gene1wood/chef,chef/chef,gene1wood/chef,gene1wood/chef