docs(java): change article to official (#7105)

src/data/roadmaps/java/content/107-testing-java-apps/106-rest-assured.md

@@ -4,6 +4,6 @@ Testing and validating REST services in Java is harder than in dynamic languages
 
 Visit the following resources to learn more:
 
-- [@article@Rest-assured](https://rest-assured.io/)
+- [@official@Rest-assured](https://rest-assured.io/)
 - [@opensource@Rest-assured Documentation](https://github.com/rest-assured/rest-assured/wiki)
 - [@feed@Explore top posts about REST API](https://app.daily.dev/tags/rest-api?ref=roadmapsh)