drop py2 support

on-behalf-of: @StackStorm-Exchange <info@stackstorm.com>

Update version

Add features enable_auto_scale_vm_groups and disable_auto_scale_vm_gr…

…oups

Update pack.yaml

Co-Authored-By: Eugen C. <armab@users.noreply.github.com>

Update version 0.5.16 with changes feature listAutoScaleVmGroups

Add lb attach member abd lb dettach member

Add missing project_id at vm_get_info action

Fix sshkeypair_register name and entry_point

Fix parameters properties

Fix network_delete_globo lib action