Consistency pass on naming in JJB

- Name of the pipeline script when parameterized: `pipeline-script`
- Name of executor the job is running on: `build-node` (or `buildNode` if
  in a pipeline job)

Change-Id: Id069a2d3f17dc5dbd7259e0ed046b72017da0538
diff --git a/jjb/verify/voltha-helm-charts.yaml b/jjb/verify/voltha-helm-charts.yaml
index f0f48a2..a4b7a9d 100644
--- a/jjb/verify/voltha-helm-charts.yaml
+++ b/jjb/verify/voltha-helm-charts.yaml
@@ -20,5 +20,5 @@
       - 'voltha-patch-test':
           dependency-jobs: 'verify_voltha-helm-charts_helm-lint'
           build-timeout: 20
-          pipeline: 'voltha-bbsim-tests.groovy'
+          pipeline-script: 'voltha-bbsim-tests.groovy'