Update: Browserlist & Missing Peer Dependency

[bh2smith]

Just reducing some of the warnings in the CLI when installing & building. We could eliminate another few by upgrading ethers to v6, but I thought we would save that for a separate PR.

Related Warnings

From CI:

Browserslist: caniuse-lite is outdated. Please run:
  npx update-browserslist-db@latest
  Why you should do it regularly: https://github.com/browserslist/update-db#readme

and

warning "eslint-config-react-app > @babel/[email protected]" has unmet peer dependency "eslint@^7.5.0 || ^8.0.0".
warning "eslint-config-react-app > @typescript-eslint/[email protected]" has unmet peer dependency "eslint@^6.0.0 || ^7.0.0 || ^8.0.0".
warning "eslint-config-react-app > @typescript-eslint/[email protected]" has unmet peer dependency "eslint@^6.0.0 || ^7.0.0 || ^8.0.0".