fixed ios wifi part support. retry 5.

plugin.xml

@@ -2,7 +2,7 @@
 <plugin xmlns="http://apache.org/cordova/ns/plugins/1.0"
         xmlns:android="http://schemas.android.com/apk/res/android"
         id="bluememe-utils"
-        version="0.1.4">
+        version="0.1.5">
     <name>bluememe-utils</name>
     <description>Cordova utilities for WiFi, Firebase Cloud Messaging, and biometric unlock.</description>
     <license>MIT</license>
@@ -72,6 +72,8 @@
     </platform>
 
     <platform name="ios">
+        <preference name="deployment-target" value="15.0" />
+
         <config-file target="config.xml" parent="/*">
             <feature name="BluememeUtils">
                 <param name="ios-package" value="CDVBluememeUtils" />