⬆️ Bump @astrojs/markdown-remark from 6.3.11 to 7.2.0

Bumps [@astrojs/markdown-remark](https://github.com/withastro/astro/tree/HEAD/packages/markdown/remark) from 6.3.11 to 7.2.0.
- [Release notes](https://github.com/withastro/astro/releases)
- [Changelog](https://github.com/withastro/astro/blob/main/packages/markdown/remark/CHANGELOG.md)
- [Commits](https://github.com/withastro/astro/commits/@astrojs/markdown-remark@7.2.0/packages/markdown/remark)

---
updated-dependencies:
- dependency-name: "@astrojs/markdown-remark"
  dependency-version: 7.2.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]