chore(deps): update dependency remark-math to v6 - autoclosed

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
remark-math (source)	^4.0.0 -> ^6.0.0

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Release Notes

remarkjs/remark-math (remark-math)

### [`v6.0.0`](https://togithub.com/remarkjs/remark-math/releases/tag/6.0.0) [Compare Source](https://togithub.com/remarkjs/remark-math/compare/5.1.1...6.0.0) ##### Change - [`4223ed9`](https://togithub.com/remarkjs/remark-math/commit/4223ed9) Change to use `exports` **migrate**: don’t use private APIs - [`e8039d7`](https://togithub.com/remarkjs/remark-math/commit/e8039d7) Change to require Node.js 16 **migrate**: update too - [`f173346`](https://togithub.com/remarkjs/remark-math/commit/f173346) [`fc32531`](https://togithub.com/remarkjs/remark-math/commit/fc32531) [`3658edd`](https://togithub.com/remarkjs/remark-math/commit/3658edd) Change to use ``, replace wrapping elements, update `@types/{hast,mdast}`, etc **migrate**: update too it’s no longer required to use the syntax extension from `remark-math`, you could instead use fenced code (` ```math `). When using `remark-math`, similar markup is generated (`

`).
    To render that nicely (not monospace and small by default), those elements are replaced with
    the results from katex/mathjax.
-   [`232f0d7`](https://togithub.com/remarkjs/remark-math/commit/232f0d7) Remove `throwOnError` option, improve message
    **migrate**: check `file.messages` for warnings

##### Misc

-   [`3aab0e1`](https://togithub.com/remarkjs/remark-math/commit/3aab0e1) Archive `remark-html-katex`

**Full Changelog**: https://github.com/remarkjs/remark-math/compare/5.1.1...6.0.0

### [`v5.1.1`](https://togithub.com/remarkjs/remark-math/releases/tag/5.1.1)

[Compare Source](https://togithub.com/remarkjs/remark-math/compare/5.1.0...5.1.1)

-   [`b2066bb`](https://togithub.com/remarkjs/remark-math/commit/b2066bb) Add improved docs
    by [@​wooorm](https://togithub.com/wooorm) in [https://github.com/remarkjs/remark-math/pull/70](https://togithub.com/remarkjs/remark-math/pull/70)
-   [`d2f2dc7`](https://togithub.com/remarkjs/remark-math/commit/d2f2dc7) Add docs on how to use w/ `rehype-sanitize`
    by [@​maclockard](https://togithub.com/maclockard) in [https://github.com/remarkjs/remark-math/pull/68](https://togithub.com/remarkjs/remark-math/pull/68)

**Full Changelog**: https://github.com/remarkjs/remark-math/compare/5.1.0...5.1.1

### [`v5.1.0`](https://togithub.com/remarkjs/remark-math/releases/tag/5.1.0)

[Compare Source](https://togithub.com/remarkjs/remark-math/compare/5.0.0...5.1.0)

-   [`ce0ba8c`](https://togithub.com/remarkjs/remark-math/commit/ce0ba8c) Add `singleDollarTextMath` option

### [`v5.0.0`](https://togithub.com/remarkjs/remark-math/releases/tag/5.0.0)

[Compare Source](https://togithub.com/remarkjs/remark-math/compare/4.0.0...5.0.0)

-   [`1f04763`](https://togithub.com/remarkjs/remark-math/commit/1f04763) Use ESM
    ```js
    // From CommonJS
    var remarkMath = require('remark-math')

    // To ESM
    import remarkMath from 'remark-math'
    ```
    Learn [more about ESM in this guide](https://gist.github.com/sindresorhus/a39789f98801d908bbc7ff3ecc99d99c)
-   [`b7ecce0`](https://togithub.com/remarkjs/remark-math/commit/b7ecce0) Update dependencies
-   [`0b77136`](https://togithub.com/remarkjs/remark-math/commit/0b77136) Remove warning for remark 12

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