Upgrade dependencies

Author: garyrussell

build.gradle

@@ -37,7 +37,7 @@ ext {
 	modifiedFiles =
 			files(grgit.status().unstaged.modified).filter{ f -> f.name.endsWith('.java') || f.name.endsWith('.kt') }
 
-	assertjVersion = '3.14.0'
+	assertjVersion = '3.15.0'
 	googleJsr305Version = '3.0.2'
 	hamcrestVersion = '2.2'
 	hibernateValidationVersion = '6.0.17.Final'
@@ -47,13 +47,13 @@ ext {
 	junitJupiterVersion = '5.5.2'
 	kafkaVersion = '2.3.1'
 	log4jVersion = '2.12.1'
-	micrometerVersion = '1.3.5'
+	micrometerVersion = '1.3.6'
 	mockitoVersion = '3.0.0'
-	reactorVersion = 'Dysprosium-SR5'
+	reactorVersion = 'Dysprosium-SR6'
 	scalaVersion = '2.12'
 	springRetryVersion = '1.2.5.RELEASE'
-	springVersion = '5.2.4.RELEASE'
-	springDataCommonsVersion = '2.2.5.RELEASE'
+	springVersion = '5.2.5.RELEASE'
+	springDataCommonsVersion = '2.2.6.RELEASE'
 
 	idPrefix = 'kafka'
 }