Pontoon: Update Urdu (ur) localization of Firefox Monitor Website

Co-authored-by: عمر <um.qshi@gmail.com>

locales/ur/app.ftl

@@ -179,3 +179,4 @@ undo-button = کالعدم کریں
 
 ##
 
+mobile-promo-cta = Android اور iOS پر { -brand-name } حاصل کریں

locales/ur/bento.ftl

@@ -6,8 +6,9 @@ fx-lockwise = { -brand-lockwise }
 ## If possible, keep "Firefox Browser" in English, but feel free 
 ## to translate browser if that doesn't work for your language.
 
+fx-mobile = موبائل کے لیے { -brand-name }
 
-
+##
 
 # A link at the bottom of the Bento menu
 made-by-mozilla = { -brand-Mozilla } کی جانب سے بنایا گیا