chore: release storage 1.16.1 (#4441)

🤖 I have created a release \*beep\* \*boop\*
---
### [1.16.1](https://www.github.com/googleapis/google-cloud-go/compare/storage/v1.16.0...storage/v1.16.1) (2021-08-30)


### Bug Fixes

* **storage/internal:** Update encryption_key fields to "bytes" type. fix: Improve date/times and field name clarity in lifecycle conditions. ([a52baa4](https://www.github.com/googleapis/google-cloud-go/commit/a52baa456ed8513ec492c4b573c191eb61468758))
* **storage:** accept emulator env var without scheme ([#4616](https://www.github.com/googleapis/google-cloud-go/issues/4616)) ([5f8cbb9](https://www.github.com/googleapis/google-cloud-go/commit/5f8cbb98070109e2a34409ac775ed63b94d37efd))
* **storage:** preserve supplied endpoint's scheme ([#4609](https://www.github.com/googleapis/google-cloud-go/issues/4609)) ([ee2756f](https://www.github.com/googleapis/google-cloud-go/commit/ee2756fb0a335d591464a770c9fa4f8fe0ba2e01))
* **storage:** remove unnecessary variable ([#4608](https://www.github.com/googleapis/google-cloud-go/issues/4608)) ([27fc784](https://www.github.com/googleapis/google-cloud-go/commit/27fc78456fb251652bdf5cdb493734a7e1e643e1))
* **storage:** retry LockRetentionPolicy ([#4439](https://www.github.com/googleapis/google-cloud-go/issues/4439)) ([09879ea](https://www.github.com/googleapis/google-cloud-go/commit/09879ea80cb67f9bfd8fc9384b0fda335567cba9)), refs [#4437](https://www.github.com/googleapis/google-cloud-go/issues/4437)
* **storage:** revise Reader to send XML preconditions ([#4479](https://www.github.com/googleapis/google-cloud-go/issues/4479)) ([e36b29a](https://www.github.com/googleapis/google-cloud-go/commit/e36b29a3d43bce5c1c044f7daf6e1db00b0a49e0)), refs [#4470](https://www.github.com/googleapis/google-cloud-go/issues/4470)

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
 
+### [1.16.1](https://www.github.com/googleapis/google-cloud-go/compare/storage/v1.16.0...storage/v1.16.1) (2021-08-30)
+
+
+### Bug Fixes
+
+* **storage/internal:** Update encryption_key fields to "bytes" type. fix: Improve date/times and field name clarity in lifecycle conditions. ([a52baa4](https://www.github.com/googleapis/google-cloud-go/commit/a52baa456ed8513ec492c4b573c191eb61468758))
+* **storage:** accept emulator env var without scheme ([#4616](https://www.github.com/googleapis/google-cloud-go/issues/4616)) ([5f8cbb9](https://www.github.com/googleapis/google-cloud-go/commit/5f8cbb98070109e2a34409ac775ed63b94d37efd))
+* **storage:** preserve supplied endpoint's scheme ([#4609](https://www.github.com/googleapis/google-cloud-go/issues/4609)) ([ee2756f](https://www.github.com/googleapis/google-cloud-go/commit/ee2756fb0a335d591464a770c9fa4f8fe0ba2e01))
+* **storage:** remove unnecessary variable ([#4608](https://www.github.com/googleapis/google-cloud-go/issues/4608)) ([27fc784](https://www.github.com/googleapis/google-cloud-go/commit/27fc78456fb251652bdf5cdb493734a7e1e643e1))
+* **storage:** retry LockRetentionPolicy ([#4439](https://www.github.com/googleapis/google-cloud-go/issues/4439)) ([09879ea](https://www.github.com/googleapis/google-cloud-go/commit/09879ea80cb67f9bfd8fc9384b0fda335567cba9)), refs [#4437](https://www.github.com/googleapis/google-cloud-go/issues/4437)
+* **storage:** revise Reader to send XML preconditions ([#4479](https://www.github.com/googleapis/google-cloud-go/issues/4479)) ([e36b29a](https://www.github.com/googleapis/google-cloud-go/commit/e36b29a3d43bce5c1c044f7daf6e1db00b0a49e0)), refs [#4470](https://www.github.com/googleapis/google-cloud-go/issues/4470)
+
 ## [1.16.0](https://www.github.com/googleapis/google-cloud-go/compare/storage/v1.15.0...storage/v1.16.0) (2021-06-28)