Prepared version for next release

Author: JanLoebel

README.md

@@ -23,7 +23,7 @@ Add the `json-schema-validation-starter`-dependency to your `pom.xml`
 <dependency>
     <groupId>com.github.JanLoebel</groupId>
     <artifactId>json-schema-validation-starter</artifactId>
-    <version>2.2.1</version>
+    <version>2.3.0</version>
 </dependency>
 ```
 

pom.xml

@@ -5,7 +5,7 @@
 
     <groupId>com.github.JanLoebel</groupId>
     <artifactId>json-schema-validation-starter</artifactId>
-    <version>2.2.1-SNAPSHOT</version>
+    <version>2.3.0-SNAPSHOT</version>
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>