Merge pull request #10 from hackersandslackers/renovate/primer-css-19.x

Update dependency @primer/css to v19.7.0

Author: toddbirchard

package.json

@@ -19,7 +19,7 @@
     "postinstall": "bower install"
   },
   "dependencies": {
-    "@primer/css": "19.5.0",
+    "@primer/css": "19.7.0",
     "clipboard": "2.0.10",
     "concat": "3.0.0",
     "evil-icons": "1.10.1",