Bump json5 and @angular-devkit/build-angular in /BlockExplorer-UI#229

dependabot[bot] wants to merge 1 commit intomasterstratisproject/BlockExplorer:masterfrom

dependabot/npm_and_yarn/BlockExplorer-UI/json5-and-angular-devkit/build-angular-2.2.3stratisproject/BlockExplorer:dependabot/npm_and_yarn/BlockExplorer-UI/json5-and-angular-devkit/build-angular-2.2.3Copy head branch name to clipboard