Bump postcss and react-scripts#7

dependabot[bot] wants to merge 1 commit intomasternikolKirova/dna:masterfrom

dependabot/npm_and_yarn/postcss-and-react-scripts-8.4.31nikolKirova/dna:dependabot/npm_and_yarn/postcss-and-react-scripts-8.4.31Copy head branch name to clipboard