chore: revert to fabric8 5.12 client

Author: metacosm

samples/exposedapp/src/main/java/io/halkyon/ServiceDependent.java

@@ -28,7 +28,8 @@ public Service desired(ExposedApp exposedApp, Context context) {
                 .addNewPort()
                 .withName("http")
                 .withPort(8080)
-                .withNewTargetPort().withValue(8080).endTargetPort()
+                //            .withNewTargetPort().withValue(8080).endTargetPort() // todo: fabric8 6
+                .withNewTargetPort().withIntVal(8080).endTargetPort()
                 .endPort()
                 .withSelector(labels)
                 .withType("ClusterIP")

samples/exposedapp/src/test/java/io/halkyon/ExposedAppReconcilerTest.java

@@ -41,7 +41,8 @@ void reconcileShouldWork() {
         app.setMetadata(metadata);
         app.getSpec().setImageRef("group/imageName:tag");
 
-        client.resource(app).inNamespace(namespace).create();
+        client.resources(ExposedApp.class).create(app);
+        //        client.resource(app).inNamespace(namespace).create(); // todo: fabric8 6
 
         await().ignoreException(NullPointerException.class).atMost(10, TimeUnit.SECONDS).untilAsserted(() -> {
             // check that we create the deployment