Upgrade versions; prepare for release

Author: garyrussell

build.gradle

@@ -55,20 +55,20 @@ ext {
 	googleJsr305Version = '3.0.2'
 	hamcrestVersion = '2.2'
 	hibernateValidationVersion = '6.2.0.Final'
-	jacksonBomVersion = '2.12.4'
+	jacksonBomVersion = '2.12.5'
 	jaywayJsonPathVersion = '2.4.0'
 	junit4Version = '4.13.2'
 	junitJupiterVersion = '5.7.2'
 	kafkaVersion = '2.8.0'
 	log4jVersion = '2.14.1'
-	micrometerVersion = '1.8.0-M2'
+	micrometerVersion = '1.8.0-M3'
 	mockitoVersion = '3.11.2'
-	reactorVersion = '2020.0.10'
+	reactorVersion = '2020.0.11'
 	scalaVersion = '2.13'
-	springBootVersion = '2.4.8' // docs module
-	springDataVersion = '2021.1.0-M2'
+	springBootVersion = '2.5.4' // docs module
+	springDataVersion = '2021.1.0-M3'
 	springRetryVersion = '1.3.1'
-	springVersion = '5.3.9'
+	springVersion = '5.3.10'
 
 	idPrefix = 'kafka'
 }