Dependencies outdated

graphql2chartjs > @babel/polyfill > core-js@2.6.11: core-js@<3 is no longer maintained and not recommended for usage due to the number of issues. Please, upgrade your dependencies to the actual version of core-js@3.

[babel-polyfill docs](https://babeljs.io/docs/en/babel-polyfill)

> As of Babel 7.4.0, this package has been deprecated in favor of directly including core-js/stable (to polyfill ECMAScript features) and regenerator-runtime/runtime (needed to use transpiled generator functions):

Fix:
```
import "core-js/stable";
import "regenerator-runtime/runtime";
```