Triple dot to ellipsis

Reported at Transifex

Signed-off-by: rakekniven <mark.ziegler@rakekniven.de>

iOSClient/Supporting Files/en.lproj/Localizable.strings

@@ -110,7 +110,7 @@
 "_dark_mode_detect_"        = "Detect iOS dark mode";
 "_screen_"                  = "Screen";
 "_wipe_account_"            = "Account wiped from server";
-"_appconfig_view_title_"    = "Account configuration in progress...";
+"_appconfig_view_title_"    = "Account configuration in progress…";
 
 // App