Merge pull request #2807 from takluyver/prepare-3.16

Prepare to release 3.16

Merge pull request #2727 from takluyver/prepare-3.15.1

Prepare to release 3.15.1

Merge pull request #2719 from neutrinoceros/whl/bump-macosx-deploymen…

…t-targets

WHL: match runner images macosx versions in MACOSX_DEPLOYMENT_TARGET

Merge pull request #2591 from takluyver/prepare-3.14

Prepare to release 3.14

Merge pull request #2559 from h5py/changelog-3.13

Prepare to release 3.13

Merge pull request #2509 from takluyver/rever-3.12.1

Prepare to release 3.12.1

Merge pull request #2504 from takluyver/rever-3.12

Prepare to release 3.12

Merge pull request #2405 from takluyver/rever-3.11

Prepare to release 3.11.0

Merge pull request #2321 from takluyver/whatsnew-3.10

Prepare release notes for 3.10

Merge pull request #2277 from takluyver/rever-3.9

Prepare to release 3.9