Allow php-amqplib/php-amqplib v3 (#1595)

composer.json

@@ -22,7 +22,7 @@
         "elasticsearch/elasticsearch": "^7",
         "mongodb/mongodb": "^1.8",
         "graylog2/gelf-php": "^1.4.2",
-        "php-amqplib/php-amqplib": "~2.4",
+        "php-amqplib/php-amqplib": "~2.4 || ^3",
         "php-console/php-console": "^3.1.3",
         "phpspec/prophecy": "^1.6.1",
         "phpunit/phpunit": "^8.5",