Upgrade to go 1.14 (from 1.12) in the test worker image. (#639)
Upgrade to go 1.14 (from 1.12) in the test worker image. (#639)

* Go builds of started to break and this appears to be due to the use of
  1.12.

  * See kubeflow/manifests#1104

  * See kubeflow/kfctl#306

* New image is gcr.io/kubeflow-ci/test-worker-py3:e9afed1-dirty
kubeflow/testing,kubeflow/testing,kubeflow/testing,kubeflow/testing,kubeflow/testing