Update go, ruby and devfile library version

What does this MR do and why?

Issue: Upgrade golang version in Gitlab Workspaces Proxy (gitlab-org/gitlab#454936)

Update go, ruby and devfile library version. Fix schema version in a fixture.

How to set up and validate locally

Numbered steps to set up and validate the change are strongly suggested.

Run tests using make test.

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.