fix: upgrade multiple dependencies with Snyk

Snyk has created this PR to upgrade:
  - gulp from 4.0.0 to 4.0.2.
    See this package in npm: https://www.npmjs.com/package/gulp
  - gulp-connect from 5.5.0 to 5.7.0.
    See this package in npm: https://www.npmjs.com/package/gulp-connect
  - gulp-replace from 0.5.4 to 0.6.1.
    See this package in npm: https://www.npmjs.com/package/gulp-replace
  - js-yaml from 3.10.0 to 3.14.1.
    See this package in npm: https://www.npmjs.com/package/js-yaml

See this project in Snyk:
https://app.snyk.io/org/nexuscompute/project/61b026bd-7498-48dc-a9b7-72a021d779c3?utm_source=github&utm_medium=referral&page=upgrade-pr