chore(deps): update dependency google-cloud-storage-transfer to v1.3.0 (#7804)
chore(deps): update dependency google-cloud-storage-transfer to v1.3.0 (#7804)

Co-authored-by: Charles Engelke <2f8855ae1777b7825ea5c6a2e808e18e09aa7e61@google.com>
GoogleCloudPlatform/python-docs-samples,GoogleCloudPlatform/python-docs-samples,GoogleCloudPlatform/python-docs-samples,GoogleCloudPlatform/python-docs-samples