chore: release storage 1.16.0 (#4332)

diff --git a/storage/CHANGES.md b/storage/CHANGES.md
index 661e0b1..8b4754e 100644
--- a/storage/CHANGES.md
+++ b/storage/CHANGES.md
@@ -1,5 +1,18 @@
 # Changes
 
+## [1.16.0](https://www.github.com/googleapis/google-cloud-go/compare/storage/v1.15.0...storage/v1.16.0) (2021-06-28)
+
+
+### Features
+
+* **storage:** support PublicAccessPrevention ([#3608](https://www.github.com/googleapis/google-cloud-go/issues/3608)) ([99bc782](https://www.github.com/googleapis/google-cloud-go/commit/99bc782fb50a47602b45278384ef5d5b5da9263b)), refs [#3203](https://www.github.com/googleapis/google-cloud-go/issues/3203)
+
+
+### Bug Fixes
+
+* **storage:** fix Writer.ChunkSize validation ([#4255](https://www.github.com/googleapis/google-cloud-go/issues/4255)) ([69c2e9d](https://www.github.com/googleapis/google-cloud-go/commit/69c2e9dc6303e1a004d3104a8178532fa738e742)), refs [#4167](https://www.github.com/googleapis/google-cloud-go/issues/4167)
+* **storage:** try to reopen for failed Reads ([#4226](https://www.github.com/googleapis/google-cloud-go/issues/4226)) ([564102b](https://www.github.com/googleapis/google-cloud-go/commit/564102b335dbfb558bec8af883e5f898efb5dd10)), refs [#3040](https://www.github.com/googleapis/google-cloud-go/issues/3040)
+
 ## [1.15.0](https://www.github.com/googleapis/google-cloud-go/compare/storage/v1.13.0...storage/v1.15.0) (2021-04-21)