Refactor translation and implement better interpolation
In addition to this, let's also refactor to utilize better interpolation per > https://docs.gitlab.com/ee/development/i18n/externalization.html#interpolation
The following discussion from !47976 should be addressed:
- [ ] @mlunoe started a [discussion](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/47976#note_453471926): (+1 comment)
> **Suggestion**: Since we are now adding translations for these, should we go through the effort of also adding them to a particular scope?
issue