Bump spring-boot from 3.4.9-SNAPSHOT to 3.4.9

Bumps `spring-boot` from 3.4.9-SNAPSHOT to 3.4.9.

Updates `org.springframework.boot:spring-boot-starter-amqp` from 3.4.9-SNAPSHOT to 3.4.9
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](https://github.com/spring-projects/spring-boot/commits/v3.4.9)

Updates `org.springframework.boot:spring-boot-starter-pulsar` from 3.4.9-SNAPSHOT to 3.4.9
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](https://github.com/spring-projects/spring-boot/commits/v3.4.9)

Updates `org.springframework.boot:spring-boot-starter-pulsar-reactive` from 3.4.9-SNAPSHOT to 3.4.9
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](https://github.com/spring-projects/spring-boot/commits/v3.4.9)

Updates `org.springframework.boot:spring-boot-starter-test` from 3.4.9-SNAPSHOT to 3.4.9
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](https://github.com/spring-projects/spring-boot/commits/v3.4.9)

Updates `org.springframework.boot:spring-boot-testcontainers` from 3.4.9-SNAPSHOT to 3.4.9
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](https://github.com/spring-projects/spring-boot/commits/v3.4.9)

Updates `org.springframework.boot` from 3.4.9-SNAPSHOT to 3.4.9
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](https://github.com/spring-projects/spring-boot/commits/v3.4.9)

---
updated-dependencies:
- dependency-name: org.springframework.boot:spring-boot-starter-amqp
  dependency-version: 3.4.9
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.springframework.boot:spring-boot-starter-pulsar
  dependency-version: 3.4.9
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.springframework.boot:spring-boot-starter-pulsar-reactive
  dependency-version: 3.4.9
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.springframework.boot:spring-boot-starter-test
  dependency-version: 3.4.9
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.springframework.boot:spring-boot-testcontainers
  dependency-version: 3.4.9
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.springframework.boot
  dependency-version: 3.4.9
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -22,7 +22,7 @@ junit = "5.12.2"
 hamcrest = "2.2"
 mockito = "5.16.1"
 spring-dep-mgmt = "1.1.7"
-spring-boot = "3.4.9-SNAPSHOT"
+spring-boot = "3.4.9"
 spring-boot-for-docs = "3.4.9"
 spring-cloud-stream = "4.2.0-SNAPSHOT"
 spring-retry = "2.0.12"