increase the introspection deadline timeout from 120 to 300 seconds to fix (#2469)

nightly failure

Author: sankarpn

integration-tests/src/test/java/oracle/weblogic/kubernetes/ItConfigDistributionStrategy.java

@@ -827,7 +827,8 @@ private void createDomain() {
             .namespace(domainNamespace))
         .spec(new DomainSpec()
             .configuration(new Configuration()
-                .overrideDistributionStrategy("DYNAMIC"))
+                .overrideDistributionStrategy("DYNAMIC")
+                .introspectorJobActiveDeadlineSeconds(300L))
             .domainUid(domainUid)
             .domainHome("/shared/domains/" + domainUid) // point to domain home in pv
             .domainHomeSourceType("PersistentVolume") // set the domain home source type as pv