Bump org.springframework.amqp:spring-amqp-bom from 4.0.2 to 4.0.3

Bumps [org.springframework.amqp:spring-amqp-bom](https://github.com/spring-projects/spring-amqp) from 4.0.2 to 4.0.3.
- [Release notes](https://github.com/spring-projects/spring-amqp/releases)
- [Commits](spring-projects/spring-amqp@v4.0.2...v4.0.3)

---
updated-dependencies:
- dependency-name: org.springframework.amqp:spring-amqp-bom
  dependency-version: 4.0.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

build.gradle

@@ -100,7 +100,7 @@ ext {
     rsocketVersion = '1.1.5'
     servletApiVersion = '6.1.0'
     smackVersion = '4.4.8'
-    springAmqpVersion = '4.0.2'
+    springAmqpVersion = '4.0.3'
     springDataVersion = '2025.1.5'
     springGraphqlVersion = '2.0.2'
     springKafkaVersion = '4.0.4'