Add MINIONS_TEST_TIMEOUT param to cloud update pipeline

Fixes: PROD-22312 (PROD:22312)

Change-Id: I574ca4d731be7ce1bbbd4112902013a91cf519de
diff --git a/jenkins/client/job/deploy/update/cloud_update.yml b/jenkins/client/job/deploy/update/cloud_update.yml
index d4a05ec..4482324 100644
--- a/jenkins/client/job/deploy/update/cloud_update.yml
+++ b/jenkins/client/job/deploy/update/cloud_update.yml
@@ -165,3 +165,7 @@
               type: boolean
               default: 'false'
               description: "Run cloud validation pipelines before and after update"
+            MINIONS_TEST_TIMEOUT:
+              type: string
+              default: 10
+              description: "Time in seconds for a Salt result to receive a response when calling a minionsReachable method."