chore: release storage 1.17.0 (#4901)

🤖 I have created a release \*beep\* \*boop\*
---
## [1.17.0](https://www.github.com/googleapis/google-cloud-go/compare/storage/v1.16.1...storage/v1.17.0) (2021-09-28)


### Features

* **storage:** add projectNumber field to bucketAttrs. ([#4805](https://www.github.com/googleapis/google-cloud-go/issues/4805)) ([07343af](https://www.github.com/googleapis/google-cloud-go/commit/07343afc15085b164cc41d202d13f9d46f5c0d02))


### Bug Fixes

* **storage:** align retry idempotency (part 1) ([#4715](https://www.github.com/googleapis/google-cloud-go/issues/4715)) ([ffa903e](https://www.github.com/googleapis/google-cloud-go/commit/ffa903eeec61aa3869e5220e2f09371127b5c393))

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

storage/CHANGES.md

@@ -1,5 +1,17 @@
 # Changes
 
+## [1.17.0](https://www.github.com/googleapis/google-cloud-go/compare/storage/v1.16.1...storage/v1.17.0) (2021-09-28)
+
+
+### Features
+
+* **storage:** add projectNumber field to bucketAttrs. ([#4805](https://www.github.com/googleapis/google-cloud-go/issues/4805)) ([07343af](https://www.github.com/googleapis/google-cloud-go/commit/07343afc15085b164cc41d202d13f9d46f5c0d02))
+
+
+### Bug Fixes
+
+* **storage:** align retry idempotency (part 1) ([#4715](https://www.github.com/googleapis/google-cloud-go/issues/4715)) ([ffa903e](https://www.github.com/googleapis/google-cloud-go/commit/ffa903eeec61aa3869e5220e2f09371127b5c393))
+
 ### [1.16.1](https://www.github.com/googleapis/google-cloud-go/compare/storage/v1.16.0...storage/v1.16.1) (2021-08-30)