docs: add details on updating a cart's customer

[shahednasser]

Should be merged after releasing v2.0.5

Closes DX-1096

[vercel]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Comments	Updated (UTC)
api-reference	🔄 Building (Inspect)	Visit Preview	💬 Add feedback	Nov 22, 2024 1:20pm
api-reference-v2	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Nov 22, 2024 1:20pm
docs-ui	❌ Failed (Inspect)			Nov 22, 2024 1:20pm
docs-v2	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Nov 22, 2024 1:20pm
medusa-dashboard	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Nov 22, 2024 1:20pm
resources-docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Nov 22, 2024 1:20pm

1 Skipped Deployment

Name	Status	Preview	Comments	Updated (UTC)
medusa-docs	⬜️ Ignored (Inspect)	Visit Preview		Nov 22, 2024 1:20pm

[changeset-bot]

⚠️ No Changeset found

Latest commit: 0e4ade0

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Click here to learn what changesets are, and how to add one.

Click here if you're a maintainer who wants to add a changeset to this PR