chore(deps): update dependency google-cloud-ndb to v1.7.0 (#4903)
chore(deps): update dependency google-cloud-ndb to v1.7.0 (#4903)


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