chore: update release notes for v0.16 (googleapis#3284)

Includes the fix for corrupted resumable uploads.

chore: update README files (googleapis#3251)

* chore: update README files

update release notes [skip ci] (googleapis#3177)

* update release notes [skip ci]

* Address review comments.

Update release notes [skip ci] (googleapis#3038)

Create v0.12.x release branch

Create v0.12.x release branch

doc: Fix release notes. (googleapis#2846)

doc: Fix release notes. (googleapis#2846)

updated release notes for v0.10.0 (googleapis#2728) (googleapis#2734)

* updated release notes for v.0.10

updated release notes for v0.10.0 (googleapis#2728) (googleapis#2734)

* updated release notes for v.0.10