[Snyk] Security upgrade gulp from 3.9.0 to 4.0.0#24

snyk-bot wants to merge 1 commit intoremove-custom-frequencynhsland/Open-eObs-Modules:remove-custom-frequencyfrom

snyk-fix-9d1749cb3d9de2d647d1bcce55044de7nhsland/Open-eObs-Modules:snyk-fix-9d1749cb3d9de2d647d1bcce55044de7Copy head branch name to clipboard