chore(deps-dev): bump markdown-it-anchor from 8.6.5 to 8.6.6

Bumps [markdown-it-anchor](https://github.com/valeriangalliat/markdown-it-anchor) from 8.6.5 to 8.6.6.
- [Release notes](https://github.com/valeriangalliat/markdown-it-anchor/releases)
- [Changelog](https://github.com/valeriangalliat/markdown-it-anchor/blob/master/CHANGELOG.md)
- [Commits](valeriangalliat/markdown-it-anchor@v8.6.5...v8.6.6)

---
updated-dependencies:
- dependency-name: markdown-it-anchor
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

package.json

@@ -20,7 +20,7 @@
     "@discue/ui-components": "^0.24.0",
     "@vuepress/plugin-shiki": "^2.0.0-beta.53",
     "firebase-tools": "^11.18.0",
-    "markdown-it-anchor": "^8.6.5",
+    "markdown-it-anchor": "^8.6.6",
     "markdown-it-attrs": "^4.1.6",
     "nodemon": "^2.0.20",
     "pascal-case": "^3.1.2",