Bump json-schema and jsprim in /src/backend#7

dependabot[bot] wants to merge 1 commit intomaincfe84/drop:mainfrom

dependabot/npm_and_yarn/src/backend/json-schema-and-jsprim-0.4.0cfe84/drop:dependabot/npm_and_yarn/src/backend/json-schema-and-jsprim-0.4.0Copy head branch name to clipboard