#14552078 Added domain volume information to to the receipt

Related to # Automattic/martech#2986

Proposed Changes

• Add domain volume to clients’ receipts that register domains for multiple years.

Why are these changes being made?

• This lets the client know the number of years the domain was registered for by looking at the receipt.

Testing Instructions

• Go to the live link. Register a domain for multiple years.
• In purchases->billing, look for your receipt.
• Verify that the number of years the domain has been registered for is shown on the receipt.

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 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)?