Fix typo in Accordion token

[raquelarrojo]

Checklist (Check off all the items before submitting)

• [x] Build process is done without errors. All tests pass in the /lib directory.
• [x] Self-reviewed the code before submitting.
• [x] Meets accessibility standards.
• [x] Added/updated documentation to /website as needed.
• [x] Added/updated tests as needed.

Description Fix typo in a token from the Accordion component. Replace iconMarginRigth with iconMarginRight.

Closes #1763