Stacks Wallet v4.0.1

chore(release): 4.0.1 [skip ci]

## [4.0.1](https://github.com/blockstack/stacks-wallet/compare/v4.0.0...v4.0.1) (2021-01-14)

### Bug Fixes

* **transactions:** failed fee estimation ([1fce4a2](https://github.com/blockstack/stacks-wallet/commit/1fce4a295e7a4ac40cda85cf1b3a622d1e7e35f9))