chore(deps): update dependency markdownlint-cli to ^0.48.0

Author: renovate[bot]

bun.lock

@@ -62,7 +62,7 @@
     "globals": "^17.3.0",
     "husky": "^9.1.7",
     "lint-staged": "^16.2.7",
-    "markdownlint-cli": "^0.47.0",
+    "markdownlint-cli": "^0.48.0",
     "prettier": "^3.8.1",
     "prettier-plugin-astro": "^0.14.1",
     "prettier-plugin-tailwindcss": "^0.7.2",