Enable lint-staged for cjs files

Summary: Depends on D3834

Test Plan: Ehh I haven't actually tested this. Seems fine though...

Reviewers: benschac

Reviewed By: benschac

Subscribers: palys-swm, Adrian, atul, karol-bisztyga, yayabosh

Differential Revision: https://phabricator.ashoat.com/D3835