chore(deps): bump diff and tslint in /samples/react-application-festivals#1581

hugoabernier merged 1 commit intomainpnp/sp-dev-fx-extensions:mainfrom

dependabot/npm_and_yarn/samples/react-application-festivals/multi-2d6e03dd8epnp/sp-dev-fx-extensions:dependabot/npm_and_yarn/samples/react-application-festivals/multi-2d6e03dd8eCopy head branch name to clipboard