Update remark monorepo (major)

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
remark-parse (source)	devDependencies	major	^8.0.0 -> ^9.0.0
remark-rehype	devDependencies	major	^7.0.0 -> ^8.0.0

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Release Notes

remarkjs/remark

### [`v9.0.0`](https://togithub.com/remarkjs/remark/releases/9.0.0) [Compare Source](https://togithub.com/remarkjs/remark/compare/remark-parse@8.0.3...remark-parse@9.0.0) ##### `remark` itself - [`ad9e290`](https://togithub.com/remarkjs/remark/commit/ad9e290) Add examples on how to configure Plus all changes in [`remark-parse`](https://togithub.com/remarkjs/remark/releases/tag/remark-parse%405.0.0) and [`remark-stringify`](https://togithub.com/remarkjs/remark/releases/tag/remark-stringify%405.0.0). ##### Project - [`7774f64`](https://togithub.com/remarkjs/remark/commit/7774f64) Update list of plugins - [`d65f068`](https://togithub.com/remarkjs/remark/commit/d65f068) Fix Travis by only running tests on older Node - [`6e4ab62`](https://togithub.com/remarkjs/remark/commit/6e4ab62) Fix typos - [`679a73d`](https://togithub.com/remarkjs/remark/commit/679a73d) Refactor wording `plug-in` > `plugin` - [`2c99697`](https://togithub.com/remarkjs/remark/commit/2c99697) Fix broken links - [`82085ae`](https://togithub.com/remarkjs/remark/commit/82085ae) Add `Contribute` section to `readme.md` - [`a68fab8`](https://togithub.com/remarkjs/remark/commit/a68fab8) Migrate to `remarkjs` - [`66371f1`](https://togithub.com/remarkjs/remark/commit/66371f1) Add issue and pr templates - [`a87f6c1`](https://togithub.com/remarkjs/remark/commit/a87f6c1) Add `contributing.md` - [`b6f32ee`](https://togithub.com/remarkjs/remark/commit/b6f32ee) Add `code-of-conduct.md` - [`ee78519`](https://togithub.com/remarkjs/remark/commit/ee78519) Update logo - [`70b6eb5`](https://togithub.com/remarkjs/remark/commit/70b6eb5) Add list of presets

remarkjs/remark-rehype

### [`v8.0.0`](https://togithub.com/remarkjs/remark-rehype/releases/8.0.0) [Compare Source](https://togithub.com/remarkjs/remark-rehype/compare/7.0.0...8.0.0) - [`fc18fe8`](https://togithub.com/remarkjs/remark-rehype/commit/fc18fe8) Change to comply to CommonMark

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