[CI/CD][Added][KiCad 9] Files for the GHA

[flaviut]

Fixes #785

[flaviut]

It might not be a good idea to publish this yet, it seems like there are some incompatibilities with kicad 9:

Traceback (most recent call last):
  File "/usr/bin/kibot", line 33, in <module>
    sys.exit(load_entry_point('kibot==1.8.2', 'console_scripts', 'kibot')())
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/kibot/__main__.py", line 598, in main
    generate_outputs(args.target, args.invert_sel, args.skip_pre, args.cli_order, args.no_priority,
  File "/usr/lib/python3/dist-packages/kibot/kiplot.py", line 678, in generate_outputs
    _generate_outputs(targets, invert, skip_pre, cli_order, no_priority, dont_stop)
  File "/usr/lib/python3/dist-packages/kibot/kiplot.py", line 656, in _generate_outputs
    preflight_checks(skip_pre, targets)
  File "/usr/lib/python3/dist-packages/kibot/kiplot.py", line 512, in preflight_checks
    BasePreFlight.run_enabled(targets)
  File "/usr/lib/python3/dist-packages/kibot/pre_base.py", line 157, in run_enabled
    v.run()
  File "/usr/lib/python3/dist-packages/kibot/pre_any_xrc.py", line 296, in run
    outputs = self.get_targets()
              ^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/kibot/pre_any_xrc.py", line 126, in get_targets
    load_board()
  File "/usr/lib/python3/dist-packages/kibot/kiplot.py", line 244, in load_board
    board.SetElementVisibility(pcbnew.LAYER_HIDDEN_TEXT, False)
                               ^^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: module 'pcbnew' has no attribute 'LAYER_HIDDEN_TEXT'