build(deps-dev): bump @markuplint/astro-parser from 4.6.7 to 4.6.9

Bumps [@markuplint/astro-parser](https://github.com/markuplint/markuplint) from 4.6.7 to 4.6.9.
- [Release notes](https://github.com/markuplint/markuplint/releases)
- [Commits](https://github.com/markuplint/markuplint/compare/@markuplint/[email protected]...@markuplint/[email protected])

---
updated-dependencies:
- dependency-name: "@markuplint/astro-parser"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -38,7 +38,7 @@
   "devDependencies": {
     "@astrojs/node": "^8.3.4",
     "@kubosho/configs": "^3.16.2",
-    "@markuplint/astro-parser": "^4.6.7",
+    "@markuplint/astro-parser": "^4.6.9",
     "@playwright/test": "^1.48.1",
     "@types/escape-html": "^1.0.2",
     "@types/node": "^22.7.7",