Merge pull request #226 from textpattern/greenkeeper/fibers-4.0.1

Update fibers to the latest version 🚀

Author: philwareham

package.json

@@ -14,7 +14,7 @@
     "css-mqpacker": "7.0.0",
     "cssnano": "4.1.10",
     "dart-sass": "1.19.0",
-    "fibers": "4.0.0",
+    "fibers": "4.0.1",
     "grunt": "1.0.4",
     "grunt-cli": "1.3.2",
     "grunt-concurrent": "2.3.1",