Bump gulp-flatten from 0.2.0 to 0.4.0#4

dependabot-preview[bot] wants to merge 1 commit into

master420Entropy/flux:masterfrom

dependabot/npm_and_yarn/gulp-flatten-0.4.0420Entropy/flux:dependabot/npm_and_yarn/gulp-flatten-0.4.0Copy head branch name to clipboard