Update metafacture >=7.0.0 libraries and deploy

[dr0i]

Follows metafacture/metafacture-core#697.
Similar to #188.

• also update the dependencies in the Dockerfile.[prod,dev], like 5448d40.
• deploy at https://metafacture.org/playground/

[dr0i]

Deployed to test add https://test.metafacture.org/playground/. Please have a look @TobiasNx .