Bump invoke from 1.1.1 to 1.2.0
Bump invoke from 1.1.1 to 1.2.0

Bumps [invoke](http://docs.pyinvoke.org) from 1.1.1 to 1.2.0.

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
marshmallow-code/marshmallow-jsonapi