Update version to 2.3.2.

Author: CaiJingLong

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Change log
 
+## 2.3.2
+
+Fixed a memory leak issue.
+
 ## 2.3.1+1
 
 - Fix health for pub.

README.md

@@ -41,7 +41,7 @@ latest version: [![pub package](https://img.shields.io/pub/v/oktoast.svg)](https
 
 ```yaml
 dependencies:
-  oktoast: ^2.3.1 # such as version, you need use the latest version of pub.
+  oktoast: ^2.3.2 # such as version, you need use the latest version of pub.
 ```
 
 ### 2. Import library in dart file

pubspec.yaml

@@ -1,6 +1,6 @@
 name: oktoast
 description: A pure flutter toast library  Support custom style/widget. Easy to use. You can use this library to achieve the same effect as Android toast.
-version: 2.3.1+1
+version: 2.3.2
 author: Caijinglong<[email protected]>
 homepage: https://github.com/OpenFlutter/flutter_oktoast
 email: [email protected]