Update gulp sass#104

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gleroux02 wants to merge 3 commits intomasterfrom

update-gulp-sass

Commits on Mar 11, 2020

Update packages and switch to gulp-gh-pages-will
patrickfweston
committed

Commits on May 12, 2020

Testing updating gulp-sass and adding node-sass.
gleroux02
committed
Merge branch 'update-deploy-action' of github.com:palantirnet/butler into update-gulp-sass
gleroux02
committed