Bump org.springframework.boot from 3.4.2 to 3.4.3

Bumps [org.springframework.boot](https://github.com/spring-projects/spring-boot) from 3.4.2 to 3.4.3.
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.4.2...v3.4.3)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -9,7 +9,7 @@ mockkSpring = "4.0.2"
 postgres = "42.7.4"
 spotless = "7.0.2"
 springDependencyManagement = "1.1.7"
-springboot = "3.4.2"
+springboot = "3.4.3"
 springdoc = "2.8.5"
 swagger = "7.11.0"
 testcontainers = "1.20.5"