Fix installation on cygwin (#353)
Fix installation on cygwin (#353)

* Fix cygwin

* fixup! Merge branch 'master' into fix-cygwin

* fixup! fixup! Merge branch 'master' into fix-cygwin

Co-authored-by: Yusuke Kuoka <ce4fb244530503667b572703d30221f925521433@gmail.com>
databus23/helm-diff,databus23/helm-diff