Pin error-stack-parser
This change pins the "error-stack-parser" dependency whose recent
release has a build-breaking bug.
"@vue/cli-plugin-babel": "^3.9.0",
"@vue/cli-plugin-typescript": "^3.9.0",
"@vue/cli-service": "^3.9.0",
+ "error-stack-parser": "2.0.6",
"cross-env": "^5.2.0",
"node-sass": "^4.12.0",
"sass-loader": "^7.1.0",
