Release version 0.3.1

Author: johnsonlee

README.md

@@ -57,7 +57,7 @@ The plugin can be added to the buildscript classpath and applied:
 
 ```groovy
 buildscript {
-    ext.booster_version = '0.3.0'
+    ext.booster_version = '0.3.1'
     repositories {
         google()
         mavenCentral()

build.gradle

@@ -19,7 +19,7 @@ allprojects { project ->
     apply plugin: 'signing'
 
     group = 'com.didiglobal.booster'
-    version = '0.3.0'
+    version = '0.3.1'
 
     repositories {
         mavenLocal()