Update rabbitmq Docker tag to v3.12 (PlaytikaOSS#1428)

| datasource | package  | from | to   |
| ---------- | -------- | ---- | ---- |
| docker     | rabbitmq | 3.11 | 3.12 |

Co-authored-by: Renovate Bot <[email protected]>

Author: Fameing

embedded-rabbitmq/README.adoc

@@ -18,7 +18,7 @@
 * `embedded.rabbitmq.reuseContainer` `(true|false, default is false)`
 * `embedded.rabbitmq.password` `(default is 'rabbitmq')`
 * `embedded.rabbitmq.vhost` `(virtual host, default is '/')`
-* `embedded.rabbitmq.dockerImage` `(default is 'rabbitmq:3.11-alpine')`
+* `embedded.rabbitmq.dockerImage` `(default is 'rabbitmq:3.12-alpine')`
 ** Image versions on https://hub.docker.com/_/rabbitmq?tab=tags[dockerhub]
 * `embedded.rabbitmq.waitTimeoutInSeconds` `(default is 60 seconds)`
 * `embedded.toxiproxy.proxies.rabbitmq.enabled` Enables both creation of the container with ToxiProxy TCP proxy and a proxy to the `embedded-rabbitmq` container.

embedded-rabbitmq/src/main/java/com/playtika/testcontainer/rabbitmq/RabbitMQProperties.java

@@ -22,6 +22,6 @@ public class RabbitMQProperties extends CommonContainerProperties {
     public String getDefaultDockerImage() {
         // Please don`t remove this comment.
         // renovate: datasource=docker
-        return "rabbitmq:3.11-alpine";
+        return "rabbitmq:3.12-alpine";
     }
 }