Update the Support page (grafana#3889)

Revamp the Support.md file

SUPPORT.md

@@ -6,7 +6,7 @@ Types of questions and where to ask:
 - I got this error, why? -- [community.k6.io](https://community.k6.io/) or [Stack Overflow](https://stackoverflow.com/questions/tagged/k6)
 - I got this error and I'm sure it's a bug -- [open a new issue](https://github.com/grafana/k6/issues), if there isn't one for this specific bug already
 - I have an idea/request -- search the [GitHub issues](https://github.com/grafana/k6/issues) to see if it was already requested and give the issue a :+1: if so. If it wasn't, search [community.k6.io](https://community.k6.io/) or post a forum thread to discuss the idea with the developers before creating a GitHub issue.
-- Why do you? -- [community.k6.io](https://community.k6.io/) or [Slack](https://k6.io/slack)
-- When will you? -- [community.k6.io](https://community.k6.io/) or [Slack](https://k6.io/slack)
+- Why do you? -- [community.k6.io](https://community.k6.io/)
+- When will you? -- check the [public roadmap](https://github.com/orgs/grafana/projects/443/views/1). They are not development promises, they are insights of what is on the radar for the team.
 
-If your questions are related to the commercial [k6-cloud](https://k6.io/cloud/) service, you can contact <[email protected]> or write in the `#k6-cloud` channel in [Slack](https://k6.io/slack).
+If your questions are related to the commercial [Grafana Cloud k6](https://grafana.com/products/cloud/k6) service, check the available options on the dedicated page on [Grafana Cloud documentation](https://grafana.com/docs/grafana-cloud/account-management/support).