Upgrade to Netty 4.1.23 and TestNG 6.14.3

build.gradle

@@ -52,7 +52,7 @@ configure(allprojects) { project ->
 	ext.junitVintageVersion  = "4.12.3"
 	ext.kotlinVersion        = "1.2.31"
 	ext.log4jVersion         = "2.11.0"
-	ext.nettyVersion         = "4.1.22.Final"
+	ext.nettyVersion         = "4.1.23.Final"
 	ext.reactorVersion       = "Bismuth-SR8"
 	ext.rxjavaVersion        = "1.3.8"
 	ext.rxjavaAdapterVersion = "1.2.1"

spring-test/spring-test.gradle

@@ -35,7 +35,7 @@ dependencies {
 	optional("javax.websocket:javax.websocket-api:1.1")
 	optional("junit:junit:4.12")
 	optional("org.junit.jupiter:junit-jupiter-api:${junitJupiterVersion}")
-	optional("org.testng:testng:6.14.2")
+	optional("org.testng:testng:6.14.3")
 	optional("org.aspectj:aspectjweaver:${aspectjVersion}")
 	optional("org.codehaus.groovy:groovy-all:${groovyVersion}")
 	optional("org.hamcrest:hamcrest-core:1.3")