Updated fabric8io kubernetes client to latest version

Author: fmichielssen

pom.xml

@@ -202,7 +202,7 @@
 		<dependency>
 			<groupId>io.fabric8</groupId>
 			<artifactId>kubernetes-client</artifactId>
-			<version>3.1.8</version>
+			<version>4.2.2</version>
 		</dependency>
 
 		<!-- UI frameworks -->

src/main/java/eu/openanalytics/containerproxy/backend/kubernetes/KubernetesBackend.java

@@ -133,7 +133,7 @@ protected Container startContainer(ContainerSpec spec, Proxy proxy) throws Excep
 			String containerDest = volume[1];
 			String name = "shinyproxy-volume-" + i;
 			volumes.add(new VolumeBuilder()
-					.withNewHostPath(hostSource)
+					.withNewHostPath(hostSource, "")
 					.withName(name)
 					.build());
 			volumeMounts[i] = new VolumeMountBuilder()