chore(test): update AutoConfigureMockMvc import for Spring Boot 4.x compatibility

Author: pwannenmacher

essencium-backend/src/testIntegration/java/de/frachtwerk/essencium/backend/test/integration/util/EssenciumSchedulerIntegrationTest.java

@@ -39,8 +39,8 @@
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
 import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.webmvc.test.autoconfigure.AutoConfigureMockMvc;
 import org.springframework.test.context.ActiveProfiles;
 import org.springframework.test.context.DynamicPropertyRegistry;
 import org.springframework.test.context.DynamicPropertySource;