chore(package): update @vue/eslint-config-prettier to version 6.0.0

Closes #35

Author: greenkeeper[bot]

package.json

@@ -33,7 +33,7 @@
     "@vue/cli-plugin-typescript": "^3.5.0",
     "@vue/cli-plugin-unit-jest": "^3.5.1",
     "@vue/cli-service": "^3.5.0",
-    "@vue/eslint-config-prettier": "^4.0.1",
+    "@vue/eslint-config-prettier": "^6.0.0",
     "@vue/eslint-config-typescript": "^4.0.0",
     "babel-eslint": "^10.0.1",
     "cz-conventional-changelog": "^3.0.0",