Fix compilation failure due to removed method

Fabric8 team removed[1][2] constructors, which we were using to create Openshift client
Switched to other methods.
This change was brought to Quarkus with this update[3]

[1] fabric8io/kubernetes-client@6d7db80#diff-92a1266d167b46838301a64f043de2895376ebf7ec810e7769d641d2fed6f511L227-L246
[2] fabric8io/kubernetes-client#4662
[3] quarkusio/quarkus#33767

quarkus-test-openshift/src/main/java/io/quarkus/test/bootstrap/inject/OpenShiftClient.java

@@ -51,6 +51,7 @@
 import io.fabric8.kubernetes.api.model.VolumeMount;
 import io.fabric8.kubernetes.api.model.VolumeMountBuilder;
 import io.fabric8.kubernetes.client.CustomResource;
+import io.fabric8.kubernetes.client.KubernetesClientBuilder;
 import io.fabric8.kubernetes.client.dsl.ContainerResource;
 import io.fabric8.kubernetes.client.dsl.PodResource;
 import io.fabric8.kubernetes.client.utils.Serialization;
@@ -65,7 +66,6 @@
 import io.fabric8.openshift.client.NamespacedOpenShiftClient;
 import io.fabric8.openshift.client.OpenShiftConfig;
 import io.fabric8.openshift.client.OpenShiftConfigBuilder;
-import io.fabric8.openshift.client.impl.OpenShiftClientImpl;
 import io.quarkus.test.bootstrap.Service;
 import io.quarkus.test.configuration.PropertyLookup;
 import io.quarkus.test.logging.Log;
@@ -108,16 +108,20 @@ private OpenShiftClient(String scenarioId) {
         if (ENABLED_EPHEMERAL_NAMESPACES.getAsBoolean()) {
             currentNamespace = createProject();
             OpenShiftConfig config = new OpenShiftConfigBuilder().withTrustCerts(true).withNamespace(currentNamespace).build();
-            client = new OpenShiftClientImpl(config);
+            client = createClient(config);
         } else {
             OpenShiftConfig config = new OpenShiftConfigBuilder().withTrustCerts(true).build();
-            client = new OpenShiftClientImpl(config);
+            client = createClient(config);
             currentNamespace = client.getNamespace();
         }
         isClientReady = true;
         kn = client.adapt(KnativeClient.class);
     }
 
+    private static NamespacedOpenShiftClient createClient(OpenShiftConfig config) {
+        return new KubernetesClientBuilder().withConfig(config).build().adapt(NamespacedOpenShiftClient.class);
+    }
+
     public static OpenShiftClient create(String scenarioId) {
         return new OpenShiftClient(scenarioId);
     }