[Snyk] Security upgrade jekyll from 3.1.6 to 3.9.0#21

Open

snyk-bot wants to merge 1 commit intomasterfrom

snyk-fix-39f8d15fe97eea80682e7e132e7b55dc

Commits on Mar 20, 2021

fix: jhipster/jhipster-microservice/gateway-app/src/main/webapp/bower_components/bootstrap/Gemfile to reduce vulnerabilities
snyk-bot
committed