[FLINK-25243][k8s] Increase the k8s transactional operation max retri…

…es in the integration tests to make the tests more stable

This closes apache#18891.

flink-kubernetes/src/test/java/org/apache/flink/kubernetes/KubernetesResource.java

@@ -36,6 +36,7 @@
 public class KubernetesResource extends ExternalResource {
 
     private static final String CLUSTER_ID = "flink-itcase-cluster";
+    private static final int KUBERNETES_TRANSACTIONAL_OPERATION_MAX_RETRIES = 100;
 
     private static String kubeConfigFile;
     private Configuration configuration;
@@ -56,6 +57,9 @@ public void before() {
         configuration = new Configuration();
         configuration.set(KubernetesConfigOptions.KUBE_CONFIG_FILE, kubeConfigFile);
         configuration.setString(KubernetesConfigOptions.CLUSTER_ID, CLUSTER_ID);
+        configuration.set(
+                KubernetesConfigOptions.KUBERNETES_TRANSACTIONAL_OPERATION_MAX_RETRIES,
+                KUBERNETES_TRANSACTIONAL_OPERATION_MAX_RETRIES);
         final FlinkKubeClientFactory kubeClientFactory = new FlinkKubeClientFactory();
         flinkKubeClient = kubeClientFactory.fromConfiguration(configuration, "testing");
     }