Update 02.problem.dependency-injection/README.mdx (#1)

Author: Creeland

exercises/04.composition-vs-inheritance/02.problem.dependency-injection/README.mdx

@@ -1,6 +1,6 @@
 # Dependency Injection
 
-<EpicVideo url="https://www.epicweb.dev/workshops/object-oriented-typescript/4-composition-vs-inheritance/dependency-injection" />
+<EpicVideo url="https://www.epicweb.dev/workshops/object-oriented-typescript/4-composition-vs-inheritance/dependency-injection-jgql1" />
 
 👨‍💼 Now let's see the power of composition! We can swap different logger
 implementations without changing `EmailService`. This is dependency injection—a