#7839416 Odyssey Stats: Add a Jetpack upsell section to the traffic page

Fixes #71820.

Design	Implementation

Proposed Changes

Integrates a new Jetpack Upsell Card into a new section on the Odyssey Stats Traffic page. Available upsells are determined by excluding currently active products for the Jetpack site; the corresponding CTA buttons link to the WordPress.com checkout pages.

Testing Instructions

• Apply this change to your Odyssey Stats instance using option 1 or 2 from PejTkB-3E-p2.
• Open Odyssey Stats and navigate to the bottom of the traffic tab.
• Ensure you see the new Jetpack upsell section.
• Spin up the component package storybook and ensure the Jetpack Upsell Card stories work as expected.
  (yarn workspace @automattic/components run storybook)

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-ajp-p2)?