Fixes #37069 - Fallback to UTC on invalid timezone

Fixes #36972 - Make hammer accept unlimited as JWT life time

Fixes #36969 - return the actual exit status of registration command

Include `set -o pipefail` in registration command for improved error handling.

Fixes #36869 - update hosts path with current_hosts_path

Fixes #35088 - Remove GCE Compute resource code

All code related to GCE compute resource
is now in Foreman Google plugin

https://github.com/theforeman/foreman_google

Fixes #35626 - Registration & proxy's registration_url

Use registration_url from Registration SP module
for registration command.

RFC: https://community.theforeman.org/t/rfc-host-registration-and-load-balancers/30462
Katello: https://projects.theforeman.org/issues/35627...

Fixes #35359 - Add cacert to http proxy (#9348)

This PR adds a cacert column to the http proxy and uses to this for
connecting to ec2 and other compute resources. This would also be used
by katello/other plugins when communicating to the CDN over a https...

Fixes #34526 - Switch Rails version to 6.1

Changes overview:
- Set default Rails version to 6.1
- Required dynfow >= 1.6.5
- Cleanup deprecation warnings in config/as_deprecation_whitelist.yaml
- ActiveSupport::ParameterFilter instead of ActionDispatch::Http::ParameterFilter...

Fixes #34913 - Take plugins into consideration when checking pending migrations

Also unify migration pending checking

Fixes #30122 - remove usage of controller level force_ssl

Foreman's use case for HTTP-only is provisioning. Many installers, like Red
Hat's Anaconda or Debian Preseed, either do not support it or make it very hard
to use HTTPS. This is especially hard since often a custom CA is used so the...