Upgrade Versions; Prepare for Milestone Release

Author: garyrussell

build.gradle

@@ -68,12 +68,12 @@ ext {
 	log4jVersion = '2.17.1'
 	micrometerVersion = '1.8.1'
 	mockitoVersion = '4.0.0'
-	reactorVersion = '2020.0.14'
+	reactorVersion = '2020.0.15'
 	scalaVersion = '2.13'
-	springBootVersion = '2.6.1-SNAPSHOT' // docs module
-	springDataVersion = '2022.1.0-SNAPSHOT'
+	springBootVersion = '2.6.2' // docs module
+	springDataVersion = '2022.1.0-M1'
 	springRetryVersion = '1.3.1'
-	springVersion = '6.0.0-SNAPSHOT'
+	springVersion = '6.0.0-M2'
 	zookeeperVersion = '3.6.3'
 
 	idPrefix = 'kafka'