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

Author: renovate[bot]

pom.xml

@@ -5,7 +5,7 @@
   <parent>
     <groupId>org.springframework.boot</groupId>
     <artifactId>spring-boot-starter-parent</artifactId>
-    <version>3.5.11</version>
+    <version>4.0.3</version>
     <relativePath /> <!-- lookup parent from repository -->
   </parent>