Test against RabbitMQ 4.2 alpha

Author: acogoluegnes

.github/workflows/test-rabbitmq-alphas.yml

@@ -19,8 +19,8 @@ jobs:
         include:
           - rabbitmq-image: "pivotalrabbitmq/rabbitmq:v4.1.x-otp27"
             label: "4.1"
-          - rabbitmq-image: "pivotalrabbitmq/rabbitmq:main-otp27"
-            label: "main"
+          - rabbitmq-image: "pivotalrabbitmq/rabbitmq:v4.2.x-otp27"
+            label: "4.2"
     services:
       rabbitmq:
         image: ${{ matrix.rabbitmq-image }}