Bump serverless from 3.40.0 to 4.21.0 in /cla-backend#4821

dependabot[bot] wants to merge 1 commit intodevlinuxfoundation/easycla:devfrom

dependabot/npm_and_yarn/cla-backend/serverless-4.21.0linuxfoundation/easycla:dependabot/npm_and_yarn/cla-backend/serverless-4.21.0Copy head branch name to clipboard