build(deps): bump org.springframework.boot:spring-boot-starter-log4j2

Bumps [org.springframework.boot:spring-boot-starter-log4j2](https://github.com/spring-projects/spring-boot) from 3.4.0 to 3.4.4.
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](https://github.com/spring-projects/spring-boot/compare/v3.4.0...v3.4.4

)

---
updated-dependencies:
- dependency-name: org.springframework.boot:spring-boot-starter-log4j2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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