Fix Maven dependency group ID (#10429)

Updated the group ID for the Okta Spring Boot Starter dependency in the Maven POM file from 'com.okta' to 'com.okta.spring'.

This change corrects the group ID to ensure the dependency is resolved correctly.

Author: xiao2shiqi

articles/quickstart/backend/java-spring-security5/interactive.md

@@ -79,7 +79,7 @@ If you are using Maven, add the Spring dependencies to your `pom.xml` file:
         <artifactId>spring-boot-starter-web</artifactId>
     </dependency>
     <dependency>
-        <groupId>com.okta</groupId>
+        <groupId>com.okta.spring</groupId>
         <artifactId>okta-spring-boot-starter</artifactId>
         <version>3.0.5</version>
     </dependency>