Due to some changes in `go` from 1.14 to 1.15 the lefthook tool
currently can't start external programs and errors each test it tries
to run, making it effectively useless.
This is a temporary fix to make `lefthook` usable again until the
upstream issue was fixed and a new release has been cut.
Upstream issue: https://github.com/Arkweid/lefthook/issues/151