Bump postcss from 6.0.23 to 7.0.36

Bumps [postcss](https://github.com/postcss/postcss) from 6.0.23 to 7.0.36.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@6.0.23...7.0.36)

---
updated-dependencies:
- dependency-name: postcss
  dependency-type: direct:development
...

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

Author: dependabot[bot]

package.json

@@ -50,7 +50,7 @@
     "minimist": "^1.2.0",
     "mkdirp": "^0.5.1",
     "ncp": "^2.0.0",
-    "postcss": "^6.0.17",
+    "postcss": "^7.0.36",
     "postcss-cli": "^5.0.0",
     "postcss-import": "^11.0.0",
     "postcss-loader": "^2.1.6",

yarn.lock

@@ -9963,6 +9963,15 @@ postcss@^7.0.0, postcss@^7.0.14, postcss@^7.0.26, postcss@^7.0.32, postcss@^7.0.
     picocolors "^0.2.1"
     source-map "^0.6.1"
 
+postcss@^7.0.36:
+  version "7.0.36"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.36.tgz#056f8cffa939662a8f5905950c07d5285644dfcb"
+  integrity sha512-BebJSIUMwJHRH0HAQoxN4u1CN86glsrwsW0q7T+/m44eXOUAxSNdHRkNZPYz5vVUbg17hFgOQDE7fZk7li3pZw==
+  dependencies:
+    chalk "^2.4.2"
+    source-map "^0.6.1"
+    supports-color "^6.1.0"
+
 prepend-http@^1.0.0:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/prepend-http/-/prepend-http-1.0.4.tgz#d4f4562b0ce3696e41ac52d0e002e57a635dc6dc"
@@ -11831,6 +11840,13 @@ supports-color@^3.2.3:
   dependencies:
     has-flag "^1.0.0"
 
+supports-color@^6.1.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-6.1.0.tgz#0764abc69c63d5ac842dd4867e8d025e880df8f3"
+  integrity sha512-qe1jfm1Mg7Nq/NSh6XE24gPXROEVsWHxC1LIx//XNlD9iw7YZQGjZNjYN7xGaEG6iKdA8EtNFW6R0gjnVXp+wQ==
+  dependencies:
+    has-flag "^3.0.0"
+
 supports-color@^7.0.0, supports-color@^7.1.0:
   version "7.2.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-7.2.0.tgz#1b7dcdcb32b8138801b3e478ba6a51caa89648da"