i18n: translation updates from weblate

Co-authored-by: Aindriú Mac Giolla Eoin <aindriu80@gmail.com>
Co-authored-by: Aliaksandr Truš <evils.mail@gmail.com>
Co-authored-by: Hosted Weblate <hosted@weblate.org>
Co-authored-by: Priit Jõerüüt <jrthwlate@users.noreply.hosted.weblate.org>
Co-authored-by: Yago Raña Gayoso <yago.rana.gayoso@gmail.com>
Co-authored-by: oddib <oddbjorn.mr@hotmail.no>
Translate-URL: https://hosted.weblate.org/projects/pop-os/cosmic-bg/be/
Translate-URL: https://hosted.weblate.org/projects/pop-os/cosmic-bg/es/
Translate-URL: https://hosted.weblate.org/projects/pop-os/cosmic-bg/et/
Translate-URL: https://hosted.weblate.org/projects/pop-os/cosmic-bg/ga/
Translate-URL: https://hosted.weblate.org/projects/pop-os/cosmic-bg/nb_NO/
Translation: Pop OS/COSMIC Background

Author: 6 people

i18n/be/cosmic_bg.ftl

@@ -0,0 +1,2 @@
+app-name = Фон COSMIC
+translator-credits = Aliaksandr Trush

i18n/es/cosmic_bg.ftl

@@ -0,0 +1,2 @@
+app-name = Fondo de pantalla COSMIC
+translator-credits = Walter William Beckerleg Bruckman, Yago Raña Gayoso

i18n/et/cosmic_bg.ftl

@@ -1 +1,2 @@
 translator-credits = Priit Jõerüüt 2025
+app-name = COSMICu taust