Update kotlin to 1.3.30

yuyakaido · yuyakaido · commit cb4e14613ff9 · 2019-05-26T17:55:35.000+09:00
diff --git a/build.gradle b/build.gradle
@@ -1,7 +1,7 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    ext.kotlin_version = '1.3.21'
+    ext.kotlin_version = '1.3.30'
     repositories {
         google()
         jcenter()
