Update deps

Author: bcomnes

.gitignore

@@ -3,3 +3,4 @@ vendor
 *node_modules
 ui
 js
+yarn.lock

package.json

@@ -15,9 +15,9 @@
     "postcss": "^7.0.0",
     "postcss-browser-reporter": "^0.5.0",
     "postcss-cli": "^6.0.0",
-    "postcss-import": "^11.0.0",
-    "postcss-reporter": "^5.0.0",
-    "postcss-url": "^7.3.1",
+    "postcss-import": "^12.0.0",
+    "postcss-reporter": "^6.0.0",
+    "postcss-url": "^8.0.0",
     "rimraf": "^2.6.2",
     "swagger-ui": "^3.17.5"
   },