build(deps): bump mermaid from 11.13.0 to 11.15.0

Bumps [mermaid](https://github.com/mermaid-js/mermaid) from 11.13.0 to 11.15.0.
- [Release notes](https://github.com/mermaid-js/mermaid/releases)
- [Commits](https://github.com/mermaid-js/mermaid/compare/mermaid@11.13.0...mermaid@11.15.0)

---
updated-dependencies:
- dependency-name: mermaid
  dependency-version: 11.15.0
  dependency-type: direct:production
...

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

package.json

@@ -119,7 +119,7 @@
     "markdown-it-sup": "^2.0.0",
     "markdown-it-task-lists": "^2.1.1",
     "markdown-it-toc-done-right": "^4.2.0",
-    "mermaid": "^11.12.3",
+    "mermaid": "^11.15.0",
     "microdiff": "^1.5.0",
     "node-forge": "^1.4.0",
     "papaparse": "^5.5.3",