Bump postcss-syntax from 0.34.0 to 0.36.2

Bumps [postcss-syntax](https://github.com/gucong3000/postcss-syntax) from 0.34.0 to 0.36.2.
- [Release notes](https://github.com/gucong3000/postcss-syntax/releases)
- [Commits](gucong3000/postcss-syntax@v0.34.0...v0.36.2)

Signed-off-by: dependabot[bot] <support@dependabot.com>

Author: dependabot-preview[bot]

packages/stylelint-config/package.json

@@ -11,7 +11,7 @@
   },
   "devDependencies": {
     "postcss": "7.0.21",
-    "postcss-syntax": "0.34.0",
+    "postcss-syntax": "0.36.2",
     "react": "16.11.0",
     "styled-components": "4.4.0",
     "stylelint": "9.10.1",

yarn.lock

@@ -4744,11 +4744,7 @@ postcss-selector-parser@^3.1.0:
     indexes-of "^1.0.1"
     uniq "^1.0.1"
 
-postcss-syntax@0.34.0:
-  version "0.34.0"
-  resolved "https://registry.yarnpkg.com/postcss-syntax/-/postcss-syntax-0.34.0.tgz#4a85c022f1cdecea72102775c91af1e7f506d83a"
-
-postcss-syntax@^0.36.2:
+postcss-syntax@0.36.2, postcss-syntax@^0.36.2:
   version "0.36.2"
   resolved "https://registry.yarnpkg.com/postcss-syntax/-/postcss-syntax-0.36.2.tgz#f08578c7d95834574e5593a82dfbfa8afae3b51c"