[deps]: Bump org.springframework.boot from 3.3.6 to 3.4.0

Bumps [org.springframework.boot](https://github.com/spring-projects/spring-boot) from 3.3.6 to 3.4.0.
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.3.6...v3.4.0)

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

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

Author: dependabot[bot]

build.gradle

@@ -5,7 +5,7 @@ plugins {
     id "org.jetbrains.kotlin.plugin.jpa" version "1.9.25"
     id "org.jetbrains.kotlin.plugin.noarg" version "1.9.25"
     id "io.spring.dependency-management" version "1.1.6"
-    id "org.springframework.boot" version "3.3.6" apply false
+    id "org.springframework.boot" version "3.4.0" apply false
     id "org.springframework.cloud.contract" version "4.1.4" apply false
     id "org.asciidoctor.jvm.convert" version "3.3.2" apply false
     id "io.mateo.cxf-codegen" version "1.2.0" apply false