[neon/backports-focal/malcontent/Neon/release] /: Merge branch 'piotrdrag/pl-update-201220' into 'master'

[Philip Withnall]

Git commit b067a842664b3ac2439a3228833e6e5d8878c0a4 by Philip Withnall.
Committed on 21/12/2020 at 14:24.
Pushed by jriddell into branch 'Neon/release'.

Merge branch 'piotrdrag/pl-update-201220' into 'master'

Update Polish translation 201220

See merge request pwithnall/malcontent!113


https://invent.kde.org/neon/backports-focal/malcontent/commit/b067a842664b3ac2439a3228833e6e5d8878c0a4