Update renovate bot rules for gomplate

The following discussion from !2266 (merged) should be addressed:

• @dmakovey started a discussion: (+1 comment)

  We need to follow-up with update to renovate-bot: https://gitlab.com/gitlab-org/frontend/renovate-gitlab-bot/-/blob/main/renovate/distribution/cng.config.js?ref_type=heads#L58-66