Merge pull request #804 from LLK/greenkeeper/promise-8.0.1

chore(package): update promise to version 8.0.1

package.json

@@ -44,7 +44,7 @@
     "json": "^9.0.4",
     "lodash.defaultsdeep": "4.6.0",
     "minilog": "3.1.0",
-    "promise": "7.1.1",
+    "promise": "8.0.1",
     "scratch-audio": "latest",
     "scratch-blocks": "latest",
     "scratch-render": "latest",