chore(deps): update dependency google-cloud-ndb to v1.5.2 (#4645)
chore(deps): update dependency google-cloud-ndb to v1.5.2 (#4645)


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