Update Jenkinsfile

Jenkinsfile

@@ -6,7 +6,11 @@
         LOCATION = 'us-central1-c'
         CREDENTIALS_ID = 'k8s-cicd'
     }
-
+    options {
+        // This is key setting that enables one checkout across different stages
+        skipDefaultCheckout true
+    } 
+    
     tools {
         maven 'Maven'
      }