A4A > Referrals: Update Referral link lifespan disclaimer to 7 days

[yashwin]

Closes https://github.com/Automattic/automattic-for-agencies-dev/issues/1658

Proposed Changes

This PR updates the disclaimer for the referral cart lifespan from 12 hours to 7 days.

Why are these changes being made?

We got some direct feedback from a partner agency: this referral would be so much more useful if it can stay for 2 weeks. or at least 1 week..

Testing Instructions

• Open the A4A live link
• Go to Marketplace > Toggle the refer mode > Add a few products > Go to Checkout and verify that the referral lifespan disclaimer is updated to 7 days as shown below
• It is being updated it: 169917-ghe-Automattic/wpcom

Pre-merge Checklist

• Has the general commit checklist been followed? (PCYsg-hS-p2)
• 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)?
  • For UI changes, have we tested the change in various languages (for example, ES, PT, FR, or DE)? The length of text and words vary significantly between languages.
• For changes affecting Jetpack: Have we added the "[Status] Needs Privacy Updates" label if this pull request changes what data or activity we track or use (p4TIVU-aUh-p2)?

[github-actions]

Calypso Live (direct link)

https://calypso.live?image=registry.a8c.com/calypso/app:build-129588

Jetpack Cloud live (direct link)

https://calypso.live?image=registry.a8c.com/calypso/app:build-129588&env=jetpack

Automattic for Agencies live (direct link)

https://calypso.live?image=registry.a8c.com/calypso/app:build-129588&env=a8c-for-agencies

[matticbot]

This PR does not affect the size of JS and CSS bundles shipped to the user's browser.

Generated by performance advisor bot at iscalypsofastyet.com.

[travisw]

Looks good 🚀