feature: release to 2.1.5-RC1

Author: myoss

README.md

@@ -22,6 +22,6 @@
 <dependency>
     <groupId>app.myoss.cloud.mybatis</groupId>
     <artifactId>myoss-mybatis</artifactId>
-    <version>2.1.4.RELEASE</version>
+    <version>2.1.5-RC1</version>
 </dependency>
 ```

pom.xml

@@ -11,7 +11,7 @@
 
     <groupId>app.myoss.cloud.mybatis</groupId>
     <artifactId>myoss-mybatis</artifactId>
-    <version>2.1.4.RELEASE</version>
+    <version>2.1.5-RC1</version>
     <packaging>jar</packaging>
 
     <name>myoss-mybatis</name>