Switch to regular from stable channel -

[jlewi]

We should switch to using the regular channel over the stable channel by default.

Regular is on 1.16: https://cloud.google.com/kubernetes-engine/docs/release-notes-regular
Stable is still on 1.14 https://cloud.google.com/kubernetes-engine/docs/release-notes-stable

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[jlewi]

This is on master but not the 1.1 branch.
Things look pretty good on master:
https://kf-vbp-0710-7fc.endpoints.kubeflow-ci-deployment.cloud.goog/
Looks healthy.

Tests are failing because the tests need to be updated to use v1 APIs

[jlewi]

Deployment on master is failing.

error: unable to recognize ".build/kubeflow-apps/apps_v1beta1_deployment_kubeflow-pipelines-profile-controller.yaml": no matches for kind "Deployment" in version "apps/v1beta1"
Makefile:195: recipe for target 'apply-kubeflow' failed

Looks like it should be apps/v1

[jlewi]

This should be fixed by kubeflow/manifests#1374 which changed it from apps/v1beta1 to apps/v1

[jlewi]

Tests are still failing on master.

 return self.api_client.call_api('/apis/extensions/v1beta1/namespaces/{namespace}/deployments/{name}', 'GET',
                                        path_params,
                                        query_params,
                                        header_params,
                                        body=body_params,
                                        post_params=form_params,
                                        files=local_var_files,
                                        response_type='ExtensionsV1beta1Deployment',
                                        auth_settings=auth_settings,
                                        async_req=params.get('async_req'),
                                        _return_http_data_only=params.get('_return_http_data_only'),
                                        _preload_content=params.get('_preload_content', True),
                                        _request_timeout=params.get('_request_timeout'),
                                        collection_formats=collection_formats)

This is coming from:
/srcCache/kubeflow/testing/py/kubeflow/testing/util.py:437:

[jlewi]

This was fixed in kubeflow/testing#727 but the test image wasn't rebuilt.