Bump org.springframework.boot in /spring-boot-web-native

Bumps [org.springframework.boot](https://github.com/spring-projects/spring-boot) from 3.3.4 to 3.4.0.
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.3.4...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] <[email protected]>

spring-boot-web-native/build.gradle.kts

@@ -2,7 +2,7 @@ plugins {
     java
     application
     id("org.hibernate.orm")
-    id("org.springframework.boot") version "3.3.4"
+    id("org.springframework.boot") version "3.4.0"
     id("io.spring.dependency-management") version "1.1.6"
     id("org.graalvm.buildtools.native") version "0.10.3"
     id("com.google.cloud.tools.jib") version "3.4.4"