Merge pull request #1631 from hypothesis/dependabot/npm_and_yarn/postcss-7.0.26

Bump postcss from 7.0.24 to 7.0.26

yarn.lock

@@ -6373,9 +6373,9 @@ postcss-value-parser@^4.0.2:
   integrity sha512-LmeoohTpp/K4UiyQCwuGWlONxXamGzCMtFxLq4W1nZVGIQLYvMCJx3yAF9qyyuFpflABI9yVdtJAqbihOsCsJQ==
 
 postcss@^7.0.13, postcss@^7.0.2, postcss@^7.0.23:
-  version "7.0.25"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.25.tgz#dd2a2a753d50b13bed7a2009b4a18ac14d9db21e"
-  integrity sha512-NXXVvWq9icrm/TgQC0O6YVFi4StfJz46M1iNd/h6B26Nvh/HKI+q4YZtFN/EjcInZliEscO/WL10BXnc1E5nwg==
+  version "7.0.26"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.26.tgz#5ed615cfcab35ba9bbb82414a4fa88ea10429587"
+  integrity sha512-IY4oRjpXWYshuTDFxMVkJDtWIk2LhsTlu8bZnbEJA4+bYT16Lvpo8Qv6EvDumhYRgzjZl489pmsY3qVgJQ08nA==
   dependencies:
     chalk "^2.4.2"
     source-map "^0.6.1"