build(deps): bump org.springframework.boot from 3.4.3 to 3.4.4 (#190)

Bumps [org.springframework.boot](https://github.com/spring-projects/spring-boot) from 3.4.3 to 3.4.4.
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.4.3...v3.4.4)

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

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

@@ -1,6 +1,6 @@
 [versions]
 java = "21"
-spring-boot = "3.4.3"
+spring-boot = "3.4.4"
 spring-dependency-management = "1.1.7"
 openapi-generator = "7.12.0"
 openapi-tools = "0.2.6"