v2.9.1

• Add ability to retry SSH connections on failure (@fwiesel)
• Handle nested operation errors correctly like unnested operations
• Display list of valid Terraform keys when no match
• Fix tab aligned dpkg output parsing in deb.DebPackages fact (@martenlienen)
• Fix support page chat link
• Fix default argument checking when looking up arguments from host data
• Fix duplicate traceback printing in callback operations
• Fix use of removed --local-only flag in choco.ChocoPackages fact
• Fix sudo no user regex when calling facts
• Fix missing use of destination & not_destination args in iptables.rule operation