fix: remove old masca version from index.html

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: 2d3fe713d37415793d3c61e491fdf234bfba9e02

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

| Name | Type | | ------------------------ | ----- | | @blockchain-lab-um/masca | Patch |

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