Bump gatsby-plugin-postcss from 2.3.6 to 2.3.9#505

dependabot-preview[bot] wants to merge 1 commit intomasterpythonpizza/python.pizza:masterfrom

dependabot/npm_and_yarn/gatsby-plugin-postcss-2.3.9pythonpizza/python.pizza:dependabot/npm_and_yarn/gatsby-plugin-postcss-2.3.9Copy head branch name to clipboard