fix: examples/advanced_multiple_libs/package.json to reduce vulnerabilities (#138)
fix: examples/advanced_multiple_libs/package.json to reduce vulnerabilities (#138)

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/npm:vue:20170829
- https://snyk.io/vuln/npm:vue:20180222
- https://snyk.io/vuln/npm:vue:20180802
se-panfilov/vue-notifications