Bump rollup and @angular-devkit/build-angular in /samples/spa-client#2292

dependabot[bot] wants to merge 6 commits into

mainspring-projects/spring-authorization-server:mainfrom

dependabot/npm_and_yarn/samples/spa-client/multi-69a69bdfbespring-projects/spring-authorization-server:dependabot/npm_and_yarn/samples/spa-client/multi-69a69bdfbeCopy head branch name to clipboard