Update version to 0.981

There have changes pushed to the branch since the version was updated
to 0.980. By updating the version we'll get a new set of wheels built.

Update version to 0.971

Update version to 0.961

Update version to 0.960

Update version to 0.950

Update version to 0.942

Bump version to 0.941

Bump version to 0.940

Bump version to 0.931

Bump version to 0.930