Upgrade: Bump mermaid from 10.9.1 to 10.9.3

Bumps [mermaid](https://github.com/mermaid-js/mermaid) from 10.9.1 to 10.9.3.
- [Release notes](https://github.com/mermaid-js/mermaid/releases)
- [Changelog](https://github.com/mermaid-js/mermaid/blob/develop/CHANGELOG.md)
- [Commits](mermaid-js/mermaid@v10.9.1...v10.9.3)

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

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

package.json

@@ -28,7 +28,7 @@
     "esbuild-plugin-prismjs": "^1.0.8",
     "esbuild-rails": "^1.0.7",
     "flatpickr": "^4.6.13",
-    "mermaid": "^10.9.1",
+    "mermaid": "^10.9.3",
     "postcss": "^8.4.47",
     "postcss-import": "^16.1.0",
     "prismjs": "^1.29.0",