@actions/artifact package updates (#408)

* Clear error message when storage quota has been hit

* Improved download of empty files

* Extra info to RELEASES.md

* PR Feedback

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "@actions/artifact",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {