chore(deps): update dependency @mdit-vue/plugin-frontmatter to v3

Author: renovate[bot]

storage/framework/core/types/package.json

@@ -48,7 +48,7 @@
   },
   "devDependencies": {
     "@mdit-vue/plugin-component": "^2.1.4",
-    "@mdit-vue/plugin-frontmatter": "^2.1.4",
+    "@mdit-vue/plugin-frontmatter": "^3.0.2",
     "@mdit-vue/types": "^2.1.4",
     "@rollup/pluginutils": "^5.3.0",
     "@stacksjs/validation": "workspace:*",