feat: Support contextual translation

[surajshetty3416]

Depends on https://github.com/frappe/frappe/pull/9636

Breaking change

Next:

• [x] Script to migrate translations in CSV
• [ ] Job to write the latest verified translations (daily)
• [x] Script to raise PR with updated translations
• [x] Duplicate translation validation
• [ ] Consider versions
• [ ] Translation verification email

[asbasawaraj]

@surajshetty3416 Any idea when this will be merged?

[surajshetty3416]

@asbasawaraj we are directly using this branch in translation server.

We need to maintain both versions (old for version 12 and below & new for version 13) as of now.