[Snyk] Security upgrade org.webjars:bootstrap from 3.4.1 to 4.0.0#9

henrypost wants to merge 1 commit intomainhenrypost/WebGoat:mainfrom

snyk-fix-a7ca4e310f0acac32aedee87a2360fc6henrypost/WebGoat:snyk-fix-a7ca4e310f0acac32aedee87a2360fc6Copy head branch name to clipboard