feat(prh): update prh to 0.9.0

Author: azu

package.json

@@ -32,7 +32,7 @@
     "prh"
   ],
   "dependencies": {
-    "prh": "^0.8.0",
+    "prh": "^0.9.0",
     "structured-source": "^3.0.2",
     "textlint-rule-helper": "^1.1.3"
   },