Chore(deps): Bump spring.boot.version from 3.4.5 to 4.0.2

Bumps `spring.boot.version` from 3.4.5 to 4.0.2.

Updates `org.springframework.boot:spring-boot-dependencies` from 3.4.5 to 4.0.2
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.4.5...v4.0.2)

Updates `org.springframework.boot:spring-boot-maven-plugin` from 3.4.5 to 4.0.2
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.4.5...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
- dependency-name: org.springframework.boot:spring-boot-maven-plugin
  dependency-version: 4.0.2
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pom.xml

@@ -80,7 +80,7 @@
     <spotbugs-maven-plugin.failOnError>true</spotbugs-maven-plugin.failOnError>
     <spotbugs-maven-plugin.version>4.9.8.2</spotbugs-maven-plugin.version>
     <spotbugs.version>4.8.6</spotbugs.version>
-    <spring.boot.version>3.4.5</spring.boot.version>
+    <spring.boot.version>4.0.3</spring.boot.version>
     <surefire.argLine></surefire.argLine>
   </properties>