[Snyk] Security upgrade gulp from 3.9.1 to 4.0.0#2

Open

snyk-bot wants to merge 1 commit intomasterfrom

snyk-fix-e3650cca6cb3a4c017e4c31498d85f40

Commits on Oct 19, 2020

fix: package.json to reduce vulnerabilities
snyk-bot
committed