build(deps): bump the npm group with 2 updates (#14)

Updates the requirements on [mermaid](https://github.com/mermaid-js/mermaid) and [tocbot](https://github.com/tscanlin/tocbot) to permit the latest version.

Updates `mermaid` to 10.6.0
- [Release notes](https://github.com/mermaid-js/mermaid/releases)
- [Changelog](https://github.com/mermaid-js/mermaid/blob/develop/CHANGELOG.md)
- [Commits](https://github.com/mermaid-js/mermaid/compare/v10.5.0...v10.6.0)

Updates `tocbot` to 4.21.3
- [Release notes](https://github.com/tscanlin/tocbot/releases)
- [Changelog](https://github.com/tscanlin/tocbot/blob/master/CHANGELOG.md)
- [Commits](https://github.com/tscanlin/tocbot/compare/v4.21.2...v4.21.3)

---
updated-dependencies:
- dependency-name: mermaid
  dependency-type: direct:production
  dependency-group: npm
- dependency-name: tocbot
  dependency-type: direct:production
  dependency-group: npm
...

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

package.json

@@ -7,8 +7,8 @@
     "jquery": "^3.7.1",
     "lazysizes": "^5.3.2",
     "magnific-popup": "^1.1.0",
-    "mermaid": "^10.5.0",
+    "mermaid": "^10.6.0",
     "simple-jekyll-search": "^1.10.0",
-    "tocbot": "^4.21.2"
+    "tocbot": "^4.21.3"
   }
 }