fix : correct the version to be the latest in README.md

Author: patternhelloworld

README.md

@@ -6,7 +6,7 @@
 <dependency>
     <groupId>io.github.patternknife.securityhelper.oauth2.api</groupId>
     <artifactId>spring-security-oauth2-password-jpa-implementation</artifactId>
-    <version>2.4.0</version>
+    <version>2.5.0</version>
 </dependency>
 ```
 * Set up the same access & refresh token APIs on both ``/oauth2/token`` and on our controller layer such as ``/api/v1/traditional-oauth/token``, both of which function same and have `the same request & response payloads for success and errors`.