Bump rollup and @angular-devkit/build-angular in /user-propagation/angular-example-app#620

dependabot[bot] wants to merge 1 commit intomainSAP-samples/kyma-runtime-samples:mainfrom

dependabot/npm_and_yarn/user-propagation/angular-example-app/multi-69a69bdfbeSAP-samples/kyma-runtime-samples:dependabot/npm_and_yarn/user-propagation/angular-example-app/multi-69a69bdfbeCopy head branch name to clipboard