add Stream Filtering article

src/data/roadmaps/java/content/stream-api@WHxAwfdKHQSOg0TLX05EG.md

@@ -4,7 +4,8 @@ Java provides a new additional package in Java 8 called java.util.stream. This p
 
 Visit the following resources to learn more:
 
-- [@article@Functional Data Processing with Streams by Hyperskill (JetBrains Academy)](https://www.baeldung.com/java-8-streams)
+- [@article@Functional Data Processing with Streams by Hyperskill (JetBrains Academy)](https://hyperskill.org/learn/step/3582)
 - [@article@The Java 8 Stream API Tutorial](https://www.baeldung.com/java-8-streams)
+- [@article@Stream Filtering by Hyperskill (JetBrains Academy)](https://hyperskill.org/learn/step/3578)
 - [@video@Streams API Tutorial in Java 8+](https://www.youtube.com/watch?v=VNovNwHr9jY)
 - [@video@Java 8 Streams Tutorial](https://www.youtube.com/watch?v=t1-YZ6bF-g0)