Bump js-yaml from 3.12.0 to 3.13.1 in /GUI/middle-tier#5

dependabot[bot] wants to merge 1 commit intomastermichelderu/iot:masterfrom

dependabot/npm_and_yarn/GUI/middle-tier/js-yaml-3.13.1michelderu/iot:dependabot/npm_and_yarn/GUI/middle-tier/js-yaml-3.13.1Copy head branch name to clipboard