fix(typo): link updated in 100-servlet.md (#4151)

[FIXED] Last link typos in the Servlet section of the Spring boot developer roadmap titled "What is Dispatcher Servlet in Spring?" 100-servlet.md

src/data/roadmaps/spring-boot/content/109-spring-mvc/100-servlet.md

@@ -6,4 +6,4 @@ For more information, visit the following links:
 
 - [DispatcherServlet and web.xml in Spring Boot](https://www.baeldung.com/spring-boot-dispatcherservlet-web-xml)
 - [The DispatcherServlet](https://docs.spring.io/spring-framework/docs/3.0.0.M4/spring-framework-reference/html/ch15s02.html)
-- [What is Dispatcher Servlet in Spring?](https://www.geeksforgeeks.org/what-is-dispatcher-servlet-in-sprin)
+- [What is Dispatcher Servlet in Spring?](https://www.geeksforgeeks.org/what-is-dispatcher-servlet-in-spring)