Bump org.springframework.amqp:spring-amqp-bom from 3.1.7 to 3.1.8

Bumps [org.springframework.amqp:spring-amqp-bom](https://github.com/spring-projects/spring-amqp) from 3.1.7 to 3.1.8.
- [Release notes](https://github.com/spring-projects/spring-amqp/releases)
- [Commits](spring-projects/spring-amqp@v3.1.7...v3.1.8)

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

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

build.gradle

@@ -108,7 +108,7 @@ ext {
     rsocketVersion = '1.1.4'
     servletApiVersion = '6.0.0'
     smackVersion = '4.4.8'
-    springAmqpVersion = '3.1.7'
+    springAmqpVersion = '3.1.8'
     springDataVersion = '2023.1.12'
     springGraphqlVersion = '1.2.9'
     springKafkaVersion = '3.1.9'