chore(deps-dev): bump markdown-it-attrs from 4.1.4 to 4.1.6

Bumps [markdown-it-attrs](https://github.com/arve0/markdown-it-attrs) from 4.1.4 to 4.1.6.
- [Release notes](https://github.com/arve0/markdown-it-attrs/releases)
- [Commits](arve0/markdown-it-attrs@v4.1.4...v4.1.6)

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

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

package.json

@@ -21,7 +21,7 @@
     "@vuepress/plugin-shiki": "^2.0.0-beta.53",
     "firebase-tools": "^11.16.1",
     "markdown-it-anchor": "^8.6.5",
-    "markdown-it-attrs": "^4.1.4",
+    "markdown-it-attrs": "^4.1.6",
     "nodemon": "^2.0.20",
     "pascal-case": "^3.1.2",
     "postcss": "^8.4.19",