Foreman Maintain

Fixes #35401 - self upgrade for Foreman and Katello (#637)

• Fixes #35401 - self upgrade for Foreman and Katello

Fixes #34706 - introduce an option to exclude step from whitelist

The method `do_not_whitelist` can be included in metadata of the check or procedure to
skip it from adding into `whitelist` suggestion on failure. The `do_not_whitelist` does not
disallow whitelisting the check or procedure.

Fixes #33829 - add disable Puppet command

Adds command to disable Puppet plugin and remove all the Puppet data.

Fixes #30870 - Option to delete paused task. (#407)

Fixes #25291 - don't add quit action on fail_slow run_strategy

Refs #28089 - Use pulpcore_database feature for tests

Refs #28089 - Fix scenario, perf tests

Fixes #28187 - Package manager feature refactoring

Package manager Feature was removed as it didn't provided much value
and was difficult to use form outside of definitions. The active manager
instance is now accessible via 'ForemanMaintain.package_manager'...

Fixes #26216 - Lock package versions to protect against upgrades

Adds ability to lock versions of packages of
Foreman/Katello/Satellite and its dependences to prevent it
from partial upgrade during common system update.

The locking consists of three parts:...

Fixes #22851 - added new metadata 'advanced_run'

Boolean value for metadata 'advanced_run' of any procedure
will decide whether that procedure can be executed from
'advanced procedure' command or not.