Add the TLS update regression test to the gitlab CI script.

.gitlab-ci.yml

@@ -285,6 +285,12 @@ regression:tls:delete-secret:
     - cd ../test/e2e/deleteTLSsecret
     - make deploy verify undeploy
 
+regression:tls:update-secret:
+  extends: .integration-tests
+  script:
+    - cd ../test/e2e/updateTLSsecret
+    - make deploy verify undeploy
+
 example:file-cache:
   extends: .integration-tests
   script: