Update submodules

Telegram-iOS UITests/SnapshotHelper.swift

@@ -107,7 +107,7 @@ open class Snapshot: NSObject {
         do {
             let launchArguments = try String(contentsOf: path, encoding: String.Encoding.utf8)
             let regex = try NSRegularExpression(pattern: "(\\\".+?\\\"|\\S+)", options: [])
-            let matches = regex.matches(in: launchArguments, options: [], range: NSRange(location:0, length:launchArguments.characters.count))
+            let matches = regex.matches(in: launchArguments, options: [], range: NSRange(location:0, length: launchArguments.count))
             let results = matches.map { result -> String in
                 (launchArguments as NSString).substring(with: result.range)
             }