Upgrade versions; prepare for release

Author: garyrussell

build.gradle

@@ -52,13 +52,13 @@ ext {
 	junitJupiterVersion = '5.7.0'
 	log4jVersion = '2.13.3'
 	logbackVersion = '1.2.3'
-	micrometerVersion = '1.5.10'
+	micrometerVersion = '1.5.11'
 	mockitoVersion = '3.6.28'
 	rabbitmqVersion = project.hasProperty('rabbitmqVersion') ? project.rabbitmqVersion : '5.9.0'
 	rabbitmqHttpClientVersion = '3.8.0.RELEASE'
-	reactorVersion = '2020.0.3'
-	springDataCommonsVersion = '2.4.3'
-	springVersion = project.hasProperty('springVersion') ? project.springVersion : '5.3.3'
+	reactorVersion = '2020.0.4'
+	springDataCommonsVersion = '2.4.4'
+	springVersion = project.hasProperty('springVersion') ? project.springVersion : '5.3.4'
 	springRetryVersion = '1.3.0'
 }