chore: update tinkerpop template

Signed-off-by: Otavio Santana <otaviopolianasantana@gmail.com>

Author: otaviojava

README.adoc

@@ -1925,7 +1925,7 @@ Despite the other three NoSQL types, Eclipse JNoSQL API does not offer a communi
 [source,java]
 ----
 @Inject
-GraphTemplate template;
+TinkerpopTemplate template;
 ...
 
 Category java = Category.of("Java");