Bump @mermaid-js/mermaid-cli from 10.6.1 to 10.9.1 in /.emacs.d/bin

Bumps [@mermaid-js/mermaid-cli](https://github.com/mermaid-js/mermaid-cli) from 10.6.1 to 10.9.1.
- [Release notes](https://github.com/mermaid-js/mermaid-cli/releases)
- [Commits](mermaid-js/mermaid-cli@10.6.1...10.9.1)

---
updated-dependencies:
- dependency-name: "@mermaid-js/mermaid-cli"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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