storage: release v1.1.1
storage: release v1.1.1

Change-Id: I3cac9469c29d1a18c2a13f02b8075d2bedabfa6e
Reviewed-on: https://code-review.googlesource.com/c/gocloud/+/46970
Reviewed-by: Jean de Klerk <605b93664484fed1e671a07bff68da39e73d0174@google.com>

googleapis/google-cloud-go,googleapis/google-cloud-go,googleapis/google-cloud-go,googleapis/google-cloud-go