Update dependency org.gitlab4j:gitlab4j-api to v6.3.0

Author: cesmarvin

pom.xml

@@ -362,7 +362,7 @@
         <dependency>
             <groupId>org.gitlab4j</groupId>
             <artifactId>gitlab4j-api</artifactId>
-            <version>6.2.0</version>
+            <version>6.3.0</version>
         </dependency>
 
         <dependency>