build: update postcss to version 7.0.27

Author: renovate-bot

packages/angular_devkit/build_angular/package.json

@@ -40,7 +40,7 @@
     "minimatch": "3.0.4",
     "parse5": "4.0.0",
     "open": "7.0.2",
-    "postcss": "7.0.26",
+    "postcss": "7.0.27",
     "postcss-import": "12.0.1",
     "postcss-loader": "3.0.0",
     "raw-loader": "4.0.0",

yarn.lock

@@ -9091,7 +9091,7 @@ postcss-value-parser@^4.0.2:
   resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-4.0.2.tgz#482282c09a42706d1fc9a069b73f44ec08391dc9"
   integrity sha512-LmeoohTpp/K4UiyQCwuGWlONxXamGzCMtFxLq4W1nZVGIQLYvMCJx3yAF9qyyuFpflABI9yVdtJAqbihOsCsJQ==
 
-"postcss@5 - 7", postcss@7.0.26, postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.18, postcss@^7.0.2, postcss@^7.0.26, postcss@^7.0.5:
+"postcss@5 - 7", postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.18, postcss@^7.0.2, postcss@^7.0.26, postcss@^7.0.5:
   version "7.0.26"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.26.tgz#5ed615cfcab35ba9bbb82414a4fa88ea10429587"
   integrity sha512-IY4oRjpXWYshuTDFxMVkJDtWIk2LhsTlu8bZnbEJA4+bYT16Lvpo8Qv6EvDumhYRgzjZl489pmsY3qVgJQ08nA==
@@ -9100,6 +9100,15 @@ postcss-value-parser@^4.0.2:
     source-map "^0.6.1"
     supports-color "^6.1.0"
 
+postcss@7.0.27:
+  version "7.0.27"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.27.tgz#cc67cdc6b0daa375105b7c424a85567345fc54d9"
+  integrity sha512-WuQETPMcW9Uf1/22HWUWP9lgsIC+KEHg2kozMflKjbeUtw9ujvFX6QmIfozaErDkmLWS9WEnEdEe6Uo9/BNTdQ==
+  dependencies:
+    chalk "^2.4.2"
+    source-map "^0.6.1"
+    supports-color "^6.1.0"
+
 prelude-ls@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"