Use RabbitMQ 4.0 in documentation

Author: rabbitmq-ci

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@@ -687,7 +687,7 @@ <h3 id="from-docker-image"><a class="anchor" href="#from-docker-image"></a>From
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 <pre>docker network create perf-test
-docker run -it --rm --network perf-test --name rabbitmq -p 15672:15672 rabbitmq:3.12-management
+docker run -it --rm --network perf-test --name rabbitmq -p 15672:15672 rabbitmq:4.0-management
 docker run -it --rm --network perf-test pivotalrabbitmq/perf-test:latest --uri amqp://rabbitmq</pre>
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@@ -2140,7 +2140,7 @@ <h3 id="expected-and-exposed-metrics"><a class="anchor" href="#expected-and-expo
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 Version 2.22.0-SNAPSHOT<br>
-Last updated 2024-09-19 08:39:45 UTC
+Last updated 2024-09-19 09:41:38 UTC
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