chore(deps): bump org.springframework.boot:spring-boot-dependencies

Bumps [org.springframework.boot:spring-boot-dependencies](https://github.com/spring-projects/spring-boot) from 3.4.5 to 4.0.0.
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.4.5...v4.0.0)

---
updated-dependencies:
- dependency-name: org.springframework.boot:spring-boot-dependencies
  dependency-version: 4.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -9,7 +9,7 @@ jreleaser = "1.21.0"
 
 # spring
 
-spring-boot = "3.4.5"
+spring-boot = "4.0.0"
 spring-security = "6.0.2"
 
 # webauthn4j-test dependencies
@@ -23,7 +23,7 @@ asciidoctor = "4.0.5"
 
 # Test dependencies
 
-spring-boot-bom = "3.4.5"
+spring-boot-bom = "4.0.0"
 sonarqube = "7.1.0.6387"
 
 [libraries]