Release version 2.3.1

Author: johnsonlee

README.md

@@ -71,7 +71,7 @@ The best practise of using Booster is integrating the specific moudle to solve t
 
 ```groovy
 buildscript {
-    ext.booster_version = '2.3.0'
+    ext.booster_version = '2.3.1'
     repositories {
         google()
         mavenCentral()

build.gradle

@@ -32,7 +32,7 @@ allprojects { project ->
     apply plugin: 'de.marcphilipp.nexus-publish'
 
     group = 'com.didiglobal.booster'
-    version = '2.3.0'
+    version = '2.3.1'
 
     repositories {
         mavenLocal()