* feat: improve yarn prepare scripts

* reset yarn.lock to main

* pr feedback

* Update scripts/prepare.js
Co-authored-by: Zach Pomerantz <zzmp@uniswap.org>

* Update scripts/prepare.js
Co-authored-by: Zach Pomerantz <zzmp@uniswap.org>

* Update scripts/prepare.js
Co-authored-by: Zach Pomerantz <zzmp@uniswap.org>

* Update scripts/prepare.js
Co-authored-by: Zach Pomerantz <zzmp@uniswap.org>

* Update scripts/prepare.js
Co-authored-by: Zach Pomerantz <zzmp@uniswap.org>

* Update scripts/prepare.js
Co-authored-by: Zach Pomerantz <zzmp@uniswap.org>

* Update scripts/prepare.js
Co-authored-by: Zach Pomerantz <zzmp@uniswap.org>

* pr feedback

* switch to using concurrently

* yarn dedupe

---------
Co-authored-by: Jordan Frankfurt <jordan@CORN-Jordan-949.frankfurt>
Co-authored-by: Jordan Frankfurt <jordan@corn-jordan-949.lan>
Co-authored-by: Zach Pomerantz <zzmp@uniswap.org>