Update README.md

Author: quen2404

README.md

@@ -22,7 +22,7 @@ Available on [Maven Central](https://search.maven.org/#search%7Cgav%7C1%7Cg%3A%2
 <dependency>
     <groupId>com.qdesrame</groupId>
     <artifactId>openapi-diff</artifactId>
-    <version>1.1.1</version>
+    <version>1.2.0</version>
 </dependency>
 ```