Integrate polish translation

[mfs12]

@Rafal_ll thanks a lot for you help!!!

now only two strings are missing... if you make it on time, they get into the next release.

Status Values:
- 'Off', 'Off'
- 'Cancelling', 'Cancelling'

[mfs12]

https://github.com/Duet3D/PanelDueFirmware/issues/171

mfs12 created this issue in Duet3D/PanelDueFirmware

closed integrate polish translation #171

[Rafal_ll]

I'm sorry I was unavailable ...
These two words are
Status Values:

• 'Off', 'Wyłącz'
• 'Canceling', 'Anuluj'

[T3P3Tony]

@rafal_ll

Please see.
https://forum.duet3d.com/topic/29312/paneldue-firmware-3-4-1-pre3-released