Upgrade to Jetty 9.4.30

Author: jhoeller

build.gradle

@@ -30,7 +30,7 @@ configure(allprojects) { project ->
 			mavenBom "io.netty:netty-bom:4.1.50.Final"
 			mavenBom "io.projectreactor:reactor-bom:Dysprosium-SR8"
 			mavenBom "io.rsocket:rsocket-bom:1.0.1"
-			mavenBom "org.eclipse.jetty:jetty-bom:9.4.29.v20200521"
+			mavenBom "org.eclipse.jetty:jetty-bom:9.4.30.v20200611"
 			mavenBom "org.jetbrains.kotlin:kotlin-bom:1.3.72"
 			mavenBom "org.jetbrains.kotlinx:kotlinx-coroutines-bom:1.3.5"
 			mavenBom "org.junit:junit-bom:5.6.2"