Update install microk8s on windows tutorial href

[tomassar]

Done

• Update install microk8s on windows tutorial href to redirect to: https://microk8s.io/docs/install-windows since the current one doesn't exist and throws 404 error.

QA

• View the site locally in your web browser
• See that the requested change was made

Issue / Card

Fixes #643

[webteam-app]

tomassar is not a collaborator of the repo