Update regular dependencies for 2020-08-08 (#553)

* Upgrade irc-upd to 0.11.0

* Bump lodash to ^4.17.19 in package.json

* Upgrade simple-markdown to ^0.7.2

* Upgrade strip-json-comments to ^3.1.1

* Upgrade winston to ^3.3.3

* Upgrade commander to ^5.1.0

* Upgrade commander to ^6.0.0

Author: Throne3d