Bump: amqp-client from 5.7.2 to 5.7.3

Bumps [amqp-client](https://github.com/rabbitmq/rabbitmq-java-client) from 5.7.2 to 5.7.3.
- [Release notes](https://github.com/rabbitmq/rabbitmq-java-client/releases)
- [Commits](rabbitmq/rabbitmq-java-client@v5.7.2...v5.7.3)

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

Author: dependabot-preview[bot]

build.gradle

@@ -1,7 +1,7 @@
 buildscript {
     ext {
         kotlin_version = '1.3.41'
-        rabbitMqJavaClientVersion = '5.7.2'
+        rabbitMqJavaClientVersion = '5.7.3'
         junit_jupiter_version = '5.5.0'
         junit_plugin_version = '1.2.0'
         kluent_version = '1.48'