Update README.md

Author: derveloper

README.md

@@ -12,15 +12,15 @@ kotlin-openapi3-dsl is available on maven central
 ### gradle
 
 ```groovy
-compile "cc.vileda:kotlin-openapi3-dsl:1.5.0"
+compile "cc.vileda:kotlin-openapi3-dsl:1.6.0"
 ```
 
 ### maven
 ```xml
 <dependency>
     <groupId>cc.vileda</groupId>
     <artifactId>kotlin-openapi3-dsl</artifactId>
-    <version>1.5.0</version>
+    <version>1.6.0</version>
 </dependency>
 ```