chore: update changelog

[georgewrmarshall]

Description

This PR updates the CHANGELOG tag links for the design-tokens package to align with the MetaMask module template’s naming convention, following the migration of this package to the metamask-design-system monorepo. The updated tag format ensures that all tag diffs are consistent with the naming scheme and are correctly linked to the new @metamask/design-tokens namespace for future releases.

Related issues

Fixes: https://github.com/MetaMask/metamask-design-system/issues/95

Manual testing steps

1. Navigate to merged-packages/design-tokens within the metamask-design-system repository.
2. Run the following command:

   ../../scripts/validate-changelog.sh @metamask/design-tokens

3. Confirm that the script returns no output, indicating that all tag diff links follow the correct format.

Screenshots/Recordings

After

https://github.com/user-attachments/assets/c3ade1ac-8a9c-41e9-9f6d-e8037efd8872

Pre-merge author checklist

• [x] I've followed MetaMask Contributor Docs.
• [x] I've completed the PR template to the best of my ability.
• [x] I’ve included tests if applicable.
• [x] I’ve documented my code using JSDoc format if applicable.
• [x] I’ve applied the right labels on the PR (see labeling guidelines).

Pre-merge reviewer checklist

• [ ] I've manually tested the PR (e.g., run the validate-changelog.sh script to verify correct tag formatting).
• [ ] I confirm that this PR addresses all acceptance criteria and includes necessary testing evidence.

[socket-security[bot]]

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