fix(deps): update dependency org.springframework.boot:spring-boot-starter-parent to v4

Author: renovate[bot]

integration-tests/it-spring-boot-smoke-test/pom.xml

@@ -8,7 +8,7 @@
   <parent>
     <groupId>org.springframework.boot</groupId>
     <artifactId>spring-boot-starter-parent</artifactId>
-    <version>3.5.8</version>
+    <version>4.0.0</version>
     <relativePath/> <!-- lookup parent from repository -->
   </parent>