Update dependency org.springframework.boot:spring-boot-starter-parent to v4

Author: renovate[bot]

pom.xml

@@ -27,7 +27,7 @@
         <maven.compiler.source>${java.version}</maven.compiler.source>
         <maven.compiler.target>${java.version}</maven.compiler.target>
         <jackson-version>2.19.1</jackson-version>
-        <spring-boot-version>3.5.3</spring-boot-version>
+        <spring-boot-version>4.0.2</spring-boot-version>
         <openapi-generator-version>7.14.0</openapi-generator-version>
     </properties>