chore: release storage 1.13.0 (#3434)
chore: release storage 1.13.0 (#3434)

:robot: I have created a release \*beep\* \*boop\* 
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## [1.13.0](https://www.github.com/googleapis/google-cloud-go/compare/storage/v1.12.0...v1.13.0) (2021-02-03)


### Features

* **storage:** add missing StorageClass in BucketAttrsToUpdate ([#3038](https://www.github.com/googleapis/google-cloud-go/issues/3038)) ([2fa1b72](https://www.github.com/googleapis/google-cloud-go/commit/2fa1b727f8a7b20aa62fe0990530744f6c109be0))
* **storage:** add projection parameter for BucketHandle.Objects() ([#3549](https://www.github.com/googleapis/google-cloud-go/issues/3549)) ([9b9c3dc](https://www.github.com/googleapis/google-cloud-go/commit/9b9c3dce3ee10af5b6c4d070821bf47a861efd5b))


### Bug Fixes

* **storage:** fix endpoint selection logic ([#3172](https://www.github.com/googleapis/google-cloud-go/issues/3172)) ([99edf0d](https://www.github.com/googleapis/google-cloud-go/commit/99edf0d211a9e617f2586fbc83b6f9630da3c537))

This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please).
googleapis/google-cloud-go,googleapis/google-cloud-go,googleapis/google-cloud-go,googleapis/google-cloud-go