* chore(deps): update gulp to 4.0.2 🌟
* remove unused gulp-typescript package
* rename gulpDebug dep for consistency
* remove run-sequence dep - replace with new gulp.sequence and gulp.parallel
* pass new sourcemaps arg through to gulp-coffee
* fix favicon task that I broke. 😬
* fix extension gulpfile - needed those returns :P
- also update vinyl-source-stream to avoid vinyl errors during gulp
tasks
* Fix example gulpfile to allow empty sources
Co-authored-by: Renovate Bot <bot@renovateapp.com>
Co-authored-by: Jennifer Shehane <jennifer@cypress.io>