Bump @testing-library/jest-dom from 5.16.2 to 6.9.1 in /frontend#1400

dependabot[bot] wants to merge 1 commit intomainfilecoin-project/system-test-matrix:mainfrom

dependabot/npm_and_yarn/frontend/main/testing-library/jest-dom-6.9.1filecoin-project/system-test-matrix:dependabot/npm_and_yarn/frontend/main/testing-library/jest-dom-6.9.1Copy head branch name to clipboard