fix: arangoTemplate bean factory (#319)

Author: baniakjr

src/main/java/com/arangodb/springframework/config/ArangoConfiguration.java

@@ -83,7 +83,7 @@ default ContentType contentType() {
  }
 
  @Bean
- default ArangoOperations arangoTemplate() throws Exception {
+ default ArangoTemplate arangoTemplate() throws Exception {
  return new ArangoTemplate(arango().serde(serde()).build(), database(), arangoConverter(), resolverFactory());
  }