Bump markdown-it-anchor from 8.6.7 to 9.0.1 (#1126)

Bumps [markdown-it-anchor](https://github.com/valeriangalliat/markdown-it-anchor) from 8.6.7 to 9.0.1.
- [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@v8.6.7...v9.0.1)

---
updated-dependencies:
- dependency-name: markdown-it-anchor
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

website/package.json

@@ -37,7 +37,7 @@
     "@11ty/eleventy-plugin-syntaxhighlight": "^5.0.0",
     "@web/dev-server": "^0.4.1",
     "markdown-it": "^14.0.0",
-    "markdown-it-anchor": "^8.6.3",
+    "markdown-it-anchor": "^9.0.1",
     "prism-themes": "^1.9.0"
   }
 }