Update dependency eslint-plugin-vue to v9 (#137)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

Author: renovate[bot]

package.json

@@ -94,7 +94,7 @@
         "eslint-plugin-prettier": "^4.0.0",
         "eslint-plugin-regexp": "^1.0.0",
         "eslint-plugin-toml": "^0.3.0",
-        "eslint-plugin-vue": "^8.0.0",
+        "eslint-plugin-vue": "^9.0.0",
         "eslint-plugin-yml": "^0.15.0",
         "eslint4b": "^7.3.1",
         "espree": "^9.0.0",