ci: Update repository url in package.json

This change allows semantic-release to automatically publish release notes again.
https://github.com/semantic-release/semantic-release/issues/199

package.json

@@ -54,7 +54,7 @@
   },
   "repository": {
     "type": "git",
-    "url": "https://github.com/colebemis/feather.git"
+    "url": "https://github.com/feathericons/feather.git"
   },
   "author": "Cole Bemis <cole@colebemis.com> (http://colebemis.com)",
   "license": "MIT"