chore(deps-dev): bump @storybook/addon-mdx-gfm from 7.6.14 to 8.1.11 (#993)

Bumps [@storybook/addon-mdx-gfm](https://github.com/storybookjs/storybook/tree/HEAD/code/addons/gfm) from 7.6.14 to 8.1.11.
- [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/v8.1.11/code/addons/gfm)

---
updated-dependencies:
- dependency-name: "@storybook/addon-mdx-gfm"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]