Dependency(deps): Bump org.springframework.boot:spring-boot-dependencies (#43)

Bumps [org.springframework.boot:spring-boot-dependencies](https://github.com/spring-projects/spring-boot) from 3.5.7 to 4.0.2.
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.5.7...v4.0.2)

---
updated-dependencies:
- dependency-name: org.springframework.boot:spring-boot-dependencies
  dependency-version: 4.0.2
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

rest/pom.xml

@@ -12,7 +12,7 @@
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
     <project.source.encoding>UTF-8</project.source.encoding>
-    <springboot.version>3.5.7</springboot.version>
+    <springboot.version>4.0.3</springboot.version>
   </properties>
 
   <dependencyManagement>