chore(deps): update dependency google-cloud-video-transcoder to v0.2.1 (#5462)
chore(deps): update dependency google-cloud-video-transcoder to v0.2.1 (#5462)


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