chore(deps-dev): bump mermaid from 10.8.0 to 10.9.0

Bumps [mermaid](https://github.com/mermaid-js/mermaid) from 10.8.0 to 10.9.0.
- [Release notes](https://github.com/mermaid-js/mermaid/releases)
- [Changelog](https://github.com/mermaid-js/mermaid/blob/develop/CHANGELOG.md)
- [Commits](mermaid-js/mermaid@v10.8.0...v10.9.0)

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

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

package.json

@@ -23,7 +23,7 @@
     "dayjs": "^1.11.10",
     "markdown-it-abbr": "^2.0.0",
     "markdown-it-footnote": "^4.0.0",
-    "mermaid": "^10.8.0",
+    "mermaid": "^10.9.0",
     "vuepress": "2.0.0-rc.2"
   },
   "dependencies": {