chore(deps): update dependency mustache to v4.2.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
mustache	4.0.1 -> 4.2.0

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Release Notes

janl/mustache.js

### [`v4.2.0`](https://togithub.com/janl/mustache.js/blob/HEAD/CHANGELOG.md#​420--28-March-2021) [Compare Source](https://togithub.com/janl/mustache.js/compare/v4.1.0...v4.2.0) ##### Added - \[[#​773](https://togithub.com/janl/mustache.js/issues/773)]: Add package.json `exports` field, by \[[@​manzt](https://togithub.com/manzt)]. ### [`v4.1.0`](https://togithub.com/janl/mustache.js/blob/HEAD/CHANGELOG.md#​410--6-December-2020) [Compare Source](https://togithub.com/janl/mustache.js/compare/v4.0.1...v4.1.0) ##### Added - \[[#​764](https://togithub.com/janl/mustache.js/issues/764)]: `render()` now recognizes a config object argument, by \[[@​pineapplemachine](https://togithub.com/pineapplemachine)]. ##### Fixed - \[[#​764](https://togithub.com/janl/mustache.js/issues/764)]: Ask custom `escape` functions to escape all types of values (including `number`s), by \[[@​pineapplemachine](https://togithub.com/pineapplemachine)].

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