Update dependency @mathigon/core to v1.0.5

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@mathigon/core (source)	1.0.4 -> 1.0.5

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Release Notes

mathigon/core.js

### [`v1.0.5`](https://togithub.com/mathigon/core.js/compare/v1.0.4...688c061d1ed3380f1f76aaccb296c4cfc167cfab) [Compare Source](https://togithub.com/mathigon/core.js/compare/v1.0.4...688c061d1ed3380f1f76aaccb296c4cfc167cfab)

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