Bump markdown-to-jsx and @storybook/addon-essentials

Bumps [markdown-to-jsx](https://github.com/quantizor/markdown-to-jsx) to 7.5.0 and updates ancestor dependency [@storybook/addon-essentials](https://github.com/storybookjs/storybook/tree/HEAD/code/addons/essentials). These dependencies need to be updated together.


Updates `markdown-to-jsx` from 7.1.3 to 7.5.0
- [Release notes](https://github.com/quantizor/markdown-to-jsx/releases)
- [Changelog](https://github.com/quantizor/markdown-to-jsx/blob/main/CHANGELOG.md)
- [Commits](quantizor/markdown-to-jsx@7.1.3...v7.5.0)

Updates `@storybook/addon-essentials` from 8.1.8 to 8.3.6
- [Release notes](https://github.com/storybookjs/storybook/releases)
- [Changelog](https://github.com/storybookjs/storybook/blob/next/CHANGELOG.md)
- [Commits](https://github.com/storybookjs/storybook/commits/v8.3.6/code/addons/essentials)

---
updated-dependencies:
- dependency-name: markdown-to-jsx
  dependency-type: indirect
- dependency-name: "@storybook/addon-essentials"
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>