Revert Reactor to M2

Author: garyrussell

build.gradle

@@ -65,7 +65,7 @@ ext {
 	mockitoVersion = '5.5.0'
 	rabbitmqStreamVersion = '0.12.0'
 	rabbitmqVersion = project.hasProperty('rabbitmqVersion') ? project.rabbitmqVersion : '5.18.0'
-	reactorVersion = '2023.0.0-SNAPSHOT'
+	reactorVersion = '2023.0.0-M2'
 	snappyVersion = '1.1.8.4'
 	springDataVersion = '2023.1.0-SNAPSHOT'
 	springRetryVersion = '2.0.2'