Translator from pxu to yaml (New) (#2316)

* PXU to YAML translator without complete comment support

* Test SplitStringable

* New tests for job unit + bugfixes

* Draft tests for test plan test

* Support comments on top level values

Minor: drop unit key ordering, it is not the role of a translator and it
breaks comments

* Test new translator

* Carry over header comments

Minor: clarify why assertion may blow up translator

* Add packaging pyproject environment

* Only run translator tests on latest, skip momst of them on others

* Also test on py3.12 and explain why the dep is there

* Python3.5 fun fun fun

* More coverage for jinja ignore and all comment branches

* Fix command being split for comments

These fields are not supposed to be changed, must be transferred over as
is

* Don't translate jinja templates in depends

* Apply code review suggestions

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Fernando Bravo <39527354+fernando79513@users.noreply.github.com>

* Remove assertions and raise RuntimeError

* Improve installation instructions

formatting

* Re-format test_translator.py

* Fix typo in library name

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Fernando Bravo <39527354+fernando79513@users.noreply.github.com>

Author: 3 people

checkbox-ng/checkbox_ng/launcher/checkbox_cli.py

@@ -47,6 +47,8 @@
 from checkbox_ng.launcher.controller import RemoteController
 from checkbox_ng.launcher.agent import RemoteAgent
 
+from checkbox_ng.launcher.translator import Translator
+
 _ = gettext.gettext
 
 _logger = logging.getLogger("checkbox-cli")
@@ -109,6 +111,7 @@ def main():
         "tp-export": TestPlanExport,
         "run-agent": RemoteAgent,
         "control": RemoteController,
+        "translate": Translator,
     }
     deprecated_commands = {
         "slave": "run-agent",