Auto-update dependencies. [(#1133)](https://github.com/GoogleCloudPlatform/python-docs-samples/issues/1133)
Auto-update dependencies. [(#1133)](https://github.com/GoogleCloudPlatform/python-docs-samples/issues/1133)

* Auto-update dependencies.

* Fix missing http library

Change-Id: I99faa600f2f3f1f50f57694fc9835d7f35bda250

GoogleCloudPlatform/python-docs-samples,GoogleCloudPlatform/python-docs-samples,GoogleCloudPlatform/python-docs-samples,GoogleCloudPlatform/python-docs-samples