DATAES-375 - update README

Author: mohsinh

README.md

@@ -54,7 +54,7 @@ the appropriate dependency version.
 
 |   spring data elasticsearch         | elasticsearch |
 |:-----------------------------------:|:-------------:|
-|           3.0.0.RC1                 |      5.5.0    |
+|           3.0.0.RC2                 |      5.5.0    |
 |           3.0.0.M4                  |      5.4.0    |
 |           2.0.4.RELEASE             |      2.4.0    |
 |           2.0.0.RELEASE             |      2.2.0    |