Bump next-mdx-remote from 4.4.1 to 6.0.0

Bumps [next-mdx-remote](https://github.com/hashicorp/next-mdx-remote) from 4.4.1 to 6.0.0.
- [Release notes](https://github.com/hashicorp/next-mdx-remote/releases)
- [Changelog](https://github.com/hashicorp/next-mdx-remote/blob/main/CHANGELOG.md)
- [Commits](hashicorp/next-mdx-remote@v4.4.1...v6.0.0)

---
updated-dependencies:
- dependency-name: next-mdx-remote
  dependency-version: 6.0.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]