chore(deps-dev): bump mermaid from 11.11.0 to 11.12.0

Bumps [mermaid](https://github.com/mermaid-js/mermaid) from 11.11.0 to 11.12.0.
- [Release notes](https://github.com/mermaid-js/mermaid/releases)
- [Commits](https://github.com/mermaid-js/mermaid/compare/[email protected]@11.12.0)

---
updated-dependencies:
- dependency-name: mermaid
  dependency-version: 11.12.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]