Bump markdown-it-attrs from 4.2.0 to 4.3.0

Bumps [markdown-it-attrs](https://github.com/arve0/markdown-it-attrs) from 4.2.0 to 4.3.0.
- [Release notes](https://github.com/arve0/markdown-it-attrs/releases)
- [Commits](arve0/markdown-it-attrs@v4.2.0...v4.3.0)

---
updated-dependencies:
- dependency-name: markdown-it-attrs
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

package.json

@@ -38,7 +38,7 @@
   "dependencies": {
     "@fullhuman/postcss-purgecss": "^7.0.2",
     "@toycode/markdown-it-class": "^1.2.4",
-    "markdown-it-attrs": "^4.2.0",
+    "markdown-it-attrs": "^4.3.0",
     "markdown-it-highlightjs": "^4.2.0"
   }
 }