chore(storage): change reference link to cloud rad
- [About Cloud Storage](https://cloud.google.com/storage/)
- [API documentation](https://cloud.google.com/storage/docs)
-- [Go client documentation](https://pkg.go.dev/cloud.google.com/go/storage)
+- [Go client documentation](https://cloud.google.com/go/docs/reference/cloud.google.com/go/storage/latest)
- [Complete sample programs](https://github.com/GoogleCloudPlatform/golang-samples/tree/main/storage)
### Example Usage
