Bump spring-boot from 3.3.5 to 3.4.0 (#428)

Bumps `spring-boot` from 3.3.5 to 3.4.0.

Updates `org.springframework.boot:spring-boot-starter` from 3.3.5 to 3.4.0
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.3.5...v3.4.0)

Updates `org.springframework.boot:spring-boot-starter-json` from 3.3.5 to 3.4.0
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.3.5...v3.4.0)

Updates `org.springframework.boot:spring-boot-starter-test` from 3.3.5 to 3.4.0
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.3.5...v3.4.0)

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

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -9,7 +9,7 @@ dokka = "1.9.20"
 kotlinx-serialization = "1.7.3"
 kotlinx-coroutines = "1.9.0"
 junit = "5.10.2"
-spring-boot = "3.3.5"
+spring-boot = "3.4.0"
 log4j = "2.24.2"
 restate = "1.3.0-SNAPSHOT"