Update kotlin version to 1.5.30 for ActionOpenDocument to fix build error (#208)

Author: ggfan

ActionOpenDocument/build.gradle

@@ -22,7 +22,7 @@ buildscript {
 
         espressoVersion = '3.0.1'
         junitVersion = '4.12'
-        kotlinVersion = '1.3.40'
+        kotlinVersion = '1.5.30'
         supportLibVersion = '28.0.0'
         supportTestVersion = '1.0.1'
     }

ActionOpenDocumentTree/build.gradle

@@ -17,7 +17,7 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    ext.kotlin_version = '1.3.40'
+    ext.kotlin_version = '1.5.30'
     repositories {
         google()
         jcenter()