chore(deps): update dependency @kintone/dts-gen to v9

Author: renovate[bot]

plugin-templates/typescript/package.json

@@ -23,7 +23,7 @@
     "@babel/preset-typescript": "^7.28.5",
     "@cybozu/eslint-config": "^24.0.0",
     "@kintone/cli": "^1.17.0",
-    "@kintone/dts-gen": "^8.1.3",
+    "@kintone/dts-gen": "^9.0.1",
     "@kintone/webpack-plugin-kintone-plugin": "^8.0.11",
     "ajv": "^8.17.1",
     "babel-loader": "^9.2.1",