Bump com.rabbitmq:amqp-client from 5.19.0 to 5.20.0 in /core

Bumps [com.rabbitmq:amqp-client](https://github.com/rabbitmq/rabbitmq-java-client) from 5.19.0 to 5.20.0.
- [Release notes](https://github.com/rabbitmq/rabbitmq-java-client/releases)
- [Commits](rabbitmq/rabbitmq-java-client@v5.19.0...v5.20.0)

---
updated-dependencies:
- dependency-name: com.rabbitmq:amqp-client
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

core/build.gradle

@@ -109,7 +109,7 @@ dependencies {
     }
     testImplementation 'org.apache.httpcomponents:httpclient:4.5.14'
     testImplementation 'redis.clients:jedis:5.0.2'
-    testImplementation 'com.rabbitmq:amqp-client:5.19.0'
+    testImplementation 'com.rabbitmq:amqp-client:5.20.0'
     testImplementation 'org.mongodb:mongo-java-driver:3.12.14'
 
     testImplementation ('org.mockito:mockito-core:4.11.0') {