Upgrade spotless plugin

Author: yongce

android_project_common.gradle

@@ -1,7 +1,7 @@
 /*
  * File: 'android_project_common.gradle'
  * Location: https://raw.githubusercontent.com/yongce/AndroidLib/master/android_project_common.gradle
- * Version: 2020.05.30
+ * Version: 2020.07.19
  * All android projects can copy and include this file.
  */
 

build.gradle

@@ -21,7 +21,7 @@ buildscript {
 
 // Add plugin for 'spotless'
 plugins {
-    id "com.diffplug.gradle.spotless" version "3.27.1"
+    id "com.diffplug.spotless" version "5.1.0"
 }
 
 allprojects {
@@ -60,7 +60,7 @@ ext {
 spotless {
     kotlin {
         target "**/*.kt"
-        ktlint(versions.ktlint)
+        ktlint(versions.ktlint).userData(['indent_size' : '4', 'continuation_indent_size' : '8'])
     }
 }