Bump prettier from 2.5.1 to 2.8.3 in /frontend#1017

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

dependabot/npm_and_yarn/frontend/main/prettier-2.8.3filecoin-project/system-test-matrix:dependabot/npm_and_yarn/frontend/main/prettier-2.8.3Copy head branch name to clipboard