chore(l10n): update Norwegian Bokmål translations

Currently translated at 53.5% (490 of 915 strings)

Translation: Fossify/Commons
Translate-URL: https://hosted.weblate.org/projects/fossify/commons/nb_NO/
Via: Weblate

Author: ovl-1

commons/src/main/res/values-nb-rNO/strings.xml

@@ -593,4 +593,7 @@
         <item quantity="one">%d rekke</item>
         <item quantity="other">%d rekker</item>
     </plurals>
+    <string name="backups">Sikkerhetskopier</string>
+    <string name="enable_automatic_backups">Aktiver automatiske sikkerhetskopier</string>
+    <string name="manage_automatic_backups">Håndter automatiske sikkerhetskopier</string>
 </resources>