fix: add @types/hast for CI typecheck

Amp-Thread-ID: https://ampcode.com/threads/T-019d71fd-cc3e-72de-83b9-fb27e70af98a

Author: jxom

package.json

@@ -55,6 +55,7 @@
     "@tanstack/devtools-vite": "^0.3.11",
     "@testing-library/dom": "^10.4.0",
     "@testing-library/react": "^16.2.0",
+    "@types/hast": "^3.0.4",
     "@types/node": "^22.19.17",
     "@types/react": "^19.2.0",
     "@types/react-dom": "^19.2.0",