CHANGELOG url update

[hayden-pan]

docs/docs/upgrade-guide.md

Line 26 in baf87b0

- Track explanations of the changes between versions in this [Upgrade Guide](https://electron-react-boilerplate.js.org/docs/upgrade-guide#ugrading-to-0170-from-0160) and in the [CHANGELOG](https://github.com/electron-react-boilerplate/electron-react-boilerplate/blob/next/CHANGELOG.md).

Please update CHANGELOG url to this: https://github.com/electron-react-boilerplate/electron-react-boilerplate/blob/main/CHANGELOG.md