Prepare Next Release (#281)

Motivation:
Will Introduce new feature.

Modification:
Set Version 1.2.0

Result:
Version 1.2.0

Author: jchrys

r2dbc-mysql/pom.xml

@@ -19,7 +19,7 @@
 
   <groupId>io.asyncer</groupId>
   <artifactId>r2dbc-mysql</artifactId>
-  <version>1.1.4-SNAPSHOT</version>
+  <version>1.2.0-SNAPSHOT</version>
 
   <name>Reactive Relational Database Connectivity - MySQL</name>
   <url>https://github.com/asyncer-io/r2dbc-mysql</url>

test-native-image/pom.xml

@@ -5,7 +5,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>io.asyncer</groupId>
   <artifactId>test-native-image</artifactId>
-  <version>1.1.4-SNAPSHOT</version>
+  <version>1.2.0-SNAPSHOT</version>
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>