Update README.md

Author: gkorland

README.md

@@ -29,7 +29,7 @@ Or
     <dependency>
       <groupId>com.redislabs</groupId>
       <artifactId>jredisgraph</artifactId>
-      <version>2.0.0-rc1</version>
+      <version>2.0.0-rc3</version>
     </dependency>
   </dependencies>
 ```