Bump the version everywhere

Release 0.11.0

Release 0.10.0

Merge pull request #606 from WordPress/release/next

Release 0.9.1

Merge pull request #603 from WordPress/release/next

Release 0.9.0

Destroy existing sessions when activating 2FA.

Release `0.8.1` (#550)

Merge pull request #542 from WordPress/release/0.8.0

Release/0.8.0

Merge pull request #480 from WordPress/release/0.7.3

Release plugin version 0.7.3

Release 0.7.2 (#457)