Update dependency postcss to v8.3.6

Author: renovate-bot

package.json

@@ -27,7 +27,7 @@
     "autoprefixer": "^10.2.6",
     "concurrently": "^6.2.0",
     "next-transpile-modules": "^8.0.0",
-    "postcss": "^8.3.5",
+    "postcss": "8.3.6",
     "tailwindcss": "^2.2.2"
   },
   "scripts": {

yarn.lock

@@ -1901,7 +1901,16 @@ [email protected]:
     nanoid "^3.1.22"
     source-map "^0.6.1"
 
-postcss@^8.1.6, postcss@^8.2.1, postcss@^8.3.5:
+[email protected]:
+  version "8.3.6"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.3.6.tgz#2730dd76a97969f37f53b9a6096197be311cc4ea"
+  integrity sha512-wG1cc/JhRgdqB6WHEuyLTedf3KIRuD0hG6ldkFEZNCjRxiC+3i6kkWUUbiJQayP28iwG35cEmAbe98585BYV0A==
+  dependencies:
+    colorette "^1.2.2"
+    nanoid "^3.1.23"
+    source-map-js "^0.6.2"
+
+postcss@^8.1.6, postcss@^8.2.1:
   version "8.3.5"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.3.5.tgz#982216b113412bc20a86289e91eb994952a5b709"
   integrity sha512-NxTuJocUhYGsMiMFHDUkmjSKT3EdH4/WbGF6GCi1NDGk+vbcUTun4fpbOqaPtD8IIsztA2ilZm2DhYCuyN58gA==