#7505979 Plugins: Update the ‘Last updated’ translation string

Proposed Changes

Update the ‘Last updated’ translation string to a more elegant way and fully using the useTranslate method capabilities

Testing Instructions

• Go to the browser plugins page
• Check if the Last updated text on the cards is shown
• There shouldn’t be any visual differences from the live version in production now

Pre-merge Checklist

• Have you written new tests for your changes?
• Have you tested the feature in Simple (P9HQHe-k8-p2), Atomic (P9HQHe-jW-p2), and self-hosted Jetpack sites (PCYsg-g6b-p2)?
• Have you checked for TypeScript, React or other console errors?
• Have you used memoizing on expensive computations? More info in Memoizing with create-selector and Using memoizing selectors and Our Approach to Data
• Have we added the “[Status] String Freeze” label as soon as any new strings were ready for translation (p4TIVU-5Jq-p2)?