i18n: translation updates from weblate

Co-authored-by: Aman Alam <aalam@users.noreply.hosted.weblate.org>
Translate-URL: https://hosted.weblate.org/projects/pop-os/cosmic-bg/pa/
Translation: Pop OS/COSMIC Background

Author: weblate

i18n/pa/cosmic_bg.ftl

@@ -0,0 +1,2 @@
+app-name = COSMIC ਬੈਕਗਰਾਊਂਡ
+translator-credits = ਅਮਨ ਆਲਮ