Description

We aren't currently auto-updating the locale/**/messages.po files so translations get out of date (see example below).

Purpose

Keep translations up to date by notifying translators of updated _translate() strings

Describe the solution you would like

Ideally we would

1. run a script to update *.po files automatically after a successful merge to dev
2. if the *.po files have changed then create a new PR with the updated files
3. notify known translators when the entries have changed so they know to update the translations

Describe alternatives that you have considered

As a first step we could simply have a script that updates all the **/messages.po files even if this doesn't operate from a GH action