dnf5daemon-server: provide a history list API

[jelly]

In Cockpit our software updates page has a history card with old transactions. The PackageKit API we use is quite straightforward and returns a timestamp of the transaction and the "action" with related packages. For reference the current implementation looks as following:

So having something like org.rpm.dnf.v0.History.List which returns a list of transactions:

[{
  "start": <timestamp>,
  "end": <timestamp>,
 "removed": [],
 "upgraded": [],
 "installed": [],
  "downgraded": [],
}]

As Cockpit is a webui being able to pass a limit of maximum transactions returned would be welcome. (PackageKit only accepts a limit, unlike the recent_changes API which only has a since.)