Bump postcss and next in /my-app#3

dependabot[bot] wants to merge 1 commit intomainGigCoinDev/GigCoin.io:mainfrom

dependabot/npm_and_yarn/my-app/postcss-and-next-8.4.31GigCoinDev/GigCoin.io:dependabot/npm_and_yarn/my-app/postcss-and-next-8.4.31Copy head branch name to clipboard