[TECH]: Bump org.springframework.boot from 3.3.1 to 3.3.4

Bumps [org.springframework.boot](https://github.com/spring-projects/spring-boot) from 3.3.1 to 3.3.4.
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.3.1...v3.3.4)

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

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

gradle/libs.versions.toml

@@ -1,6 +1,6 @@
 [versions]
 ## Plugin versions
-springVersion = '3.3.1'
+springVersion = '3.3.4'
 springDependencyManagementVersion = '1.1.6'
 gitPropertiesVersion = '2.4.2'
 axionReleaseVersion = '1.18.1'