Bump postcss from 5.2.18 to 7.0.13

Bumps [postcss](https://github.com/postcss/postcss) from 5.2.18 to 7.0.13.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/master/CHANGELOG.md)
- [Commits](https://github.com/postcss/postcss/commits/7.0.13)
Signed-off-by: dependabot[bot] <support@dependabot.com>

package.json

@@ -82,7 +82,7 @@
     "ng-tags-input": "^3.1.1",
     "node-uuid": "^1.4.3",
     "npm-packlist": "^1.1.12",
-    "postcss": "^5.0.6",
+    "postcss": "^7.0.13",
     "postcss-url": "^5.1.1",
     "proxyquire": "^1.7.10",
     "proxyquire-universal": "^1.0.8",

yarn.lock

@@ -6775,7 +6775,7 @@ postcss-value-parser@^3.2.3:
   resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-3.3.0.tgz#87f38f9f18f774a4ab4c8a232f5c5ce8872a9d15"
   integrity sha1-h/OPnxj3dKSrTIojL1xc6IcqnRU=
 
-postcss@^5.0.0, postcss@^5.0.6, postcss@^5.2.16:
+postcss@^5.0.0, postcss@^5.2.16:
   version "5.2.18"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-5.2.18.tgz#badfa1497d46244f6390f58b319830d9107853c5"
   integrity sha512-zrUjRRe1bpXKsX1qAJNJjqZViErVuyEkMTRrwu4ud4sbTtIBRmtaYDrHmcGgmrbsW3MHfmtIf+vJumgQn+PrXg==
@@ -6785,7 +6785,7 @@ postcss@^5.0.0, postcss@^5.0.6, postcss@^5.2.16:
     source-map "^0.5.6"
     supports-color "^3.2.3"
 
-postcss@^7.0.2:
+postcss@^7.0.13, postcss@^7.0.2:
   version "7.0.13"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.13.tgz#42bf716413e8f1c786ab71dc6e722b3671b16708"
   integrity sha512-h8SY6kQTd1wISHWjz+E6cswdhMuyBZRb16pSTv3W4zYZ3/YbyWeJdNUeOXB5IdZqE1U76OUEjjjqsC3z2f3hVg==