Pontoon: Update Yucatec Maya (yua) localization of Firefox Send

Localization authors:
- Julio Gomez <jegs87@gmail.com>

public/locales/yua/send.ftl

@@ -1,8 +1,11 @@
 # Firefox Send is a brand name and should not be localized.
 title = Firefox Send
+# A short representation of a countdown timer containing the number of minutes remaining as digits, example "56m"
+expiresMinutes = { $minutes }m
 
 ## Send version 2 strings
 
+-send-short-brand = Send
 -firefox = Firefox
 -mozilla = Mozilla
 # byte abbreviation
@@ -13,3 +16,5 @@ kb = KB
 mb = MB
 # gibibyte abbreviation
 gb = GB
+# localized number and byte abbreviation. example "2.5MB"
+fileSize = { $num }{ $units }