Bump version to 0.6.3

Author: sink772

README.md

@@ -15,7 +15,7 @@ You can include this package from [Maven Central](https://search.maven.org/searc
 by adding the following dependency in your `build.gradle`.
 
 ```groovy
-implementation 'com.github.sink772:javaee-tokens:0.6.2'
+implementation 'com.github.sink772:javaee-tokens:0.6.3'
 ```
 
 You need to create a entry Java class to inherit the attributes and methods from the basic token classes.

gradle.properties

@@ -1,2 +1,2 @@
 GROUP=com.github.sink772
-VERSION=0.6.2
+VERSION=0.6.3