i18n: translation updates from weblate

Co-authored-by: Aindriú Mac Giolla Eoin <aindriu80@gmail.com>
Co-authored-by: Fedorov Alexei <aleksejfedorov963@gmail.com>
Co-authored-by: Feike Donia <feikedonia@proton.me>
Co-authored-by: Guðmundur Erlingsson <gudmundure@gmail.com>
Co-authored-by: Hosted Weblate <hosted@weblate.org>
Co-authored-by: VandaL <vandalhj@gmail.com>
Co-authored-by: Walter William Beckerleg Bruckman <spayk.99@protonmail.com>
Co-authored-by: Yago Raña Gayoso <yago.rana.gayoso@gmail.com>
Co-authored-by: mikenu <mikenu-jp@users.noreply.hosted.weblate.org>
Co-authored-by: oddib <oddbjorn.mr@hotmail.no>
Co-authored-by: twlvnn kraftwerk <kraft_werk@tutanota.com>
Translate-URL: https://hosted.weblate.org/projects/pop-os/cosmic-settings/bg/
Translate-URL: https://hosted.weblate.org/projects/pop-os/cosmic-settings/es/
Translate-URL: https://hosted.weblate.org/projects/pop-os/cosmic-settings/ga/
Translate-URL: https://hosted.weblate.org/projects/pop-os/cosmic-settings/is/
Translate-URL: https://hosted.weblate.org/projects/pop-os/cosmic-settings/ja/
Translate-URL: https://hosted.weblate.org/projects/pop-os/cosmic-settings/nb_NO/
Translate-URL: https://hosted.weblate.org/projects/pop-os/cosmic-settings/nl/
Translate-URL: https://hosted.weblate.org/projects/pop-os/cosmic-settings/nn/
Translate-URL: https://hosted.weblate.org/projects/pop-os/cosmic-settings/pl/
Translate-URL: https://hosted.weblate.org/projects/pop-os/cosmic-settings/ru/
Translation: Pop OS/COSMIC Settings

i18n/bg/cosmic_settings.ftl

@@ -626,6 +626,7 @@ system-shortcut = Система
     .app-library = Отваряне на библиотеката с програми
     .brightness-down = Намаляване на яркостта на екрана
     .brightness-up = Увеличаване на яркостта на екрана
+    .display-toggle = Превключване на вградения екран
     .home-folder = Отваряне на домашната папка
     .keyboard-brightness-down = Намаляване на яркостта на клавиатурата
     .keyboard-brightness-up = Увеличаване на яркостта на клавиатурата