Update dependency @mathigon/core to v1.0.7

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@mathigon/core (source)	1.0.6 -> 1.0.7

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Release Notes

mathigon/core.js

### [`v1.0.7`](https://togithub.com/mathigon/core.js/compare/v1.0.6...d1500ad14de0e2da2373a8f4582845b102bd2ca3) [Compare Source](https://togithub.com/mathigon/core.js/compare/v1.0.6...d1500ad14de0e2da2373a8f4582845b102bd2ca3)

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