Dependency version update

• Merged @unfor19 's "Fixed add-path deprecation and a bit more" #12
• Updated dependencies to the latest stable versions.

Initial Release

Deploys Minikube for testing.

Unfortunately at this stage, Github Action does not allow KVM virtualization on their workers.

Running minikube with --vm-driver none can work if you install the CE version of Docker. By defaultMicrosoft uses a fork of Moby and uses the version 3.0.6, which is actually based on 19.03, but fails when Minikube runs a brief test purely on the version number. Using --vm-driver none can be ok, but you won't have the full-fat Minikube, e.g. to test some low-level drivers.

Anyway, it is working, even if it is brittle. Enjoy!