Configuration changes for Restricting Execution of Pipelines

To restrict the execution of pipelines if the json is wrongly configured, do the following configuration changes.

orca-local Plugin configuration

spinnaker:
  extensibility:
    plugins-root-path: /opt/orca/plugins
    plugins:
      Opsmx.RuntimePipelineValidatePlugin:
        enabled: true
        version: 1.0.1
        config:  
feature enable configuration in orca-local

pipeline:
  validate:
    runtime:
      enabled: true