Bump go version to 1.21.1
Issue: https://gitlab.com/gitlab-org/remote-development/devfile-gem/-/issues/15
What does this MR do and why?
- Bumps golang to 1.21.1
- The devfile gem with these updates will be updated once this MR is merged. Afterwards another MR will be created to pre-emptively bump the devfile gem version for future updates
Edited by Hunar Khanna