[skip ci] Update README & RELEASE-NOTES

Author: johnsonlee

README.md

@@ -74,7 +74,7 @@ The best practise of using Booster is integrating the specific module to solve t
 
 ```groovy
 buildscript {
-    ext.booster_version = '4.15.0'
+    ext.booster_version = '4.16.1'
     repositories {
         google()
         mavenCentral()
@@ -122,7 +122,7 @@ The `plugins` DSL also supported since Booster *3.0.0*
 
 ```groovy
 plugins {
-    id 'com.didiglobal.booster' version '4.15.0'
+    id 'com.didiglobal.booster' version '4.16.1'
 }
 ```
 

RELEASE-NOTES.md

@@ -1,3 +1,8 @@
+## v4.16.1
+
+- Fix issue [#406](https://github.com/didi/booster/issues/406) : incremental build with jar removal
+- Fix issue [#407](https://github.com/didi/booster/issues/407) : Apple M1 chipset support for cwebp
+
 ## v4.15.0
 
 - Fix issue [#381](https://github.com/didi/booster/issues/381)