Update manifest for preview 3.

Author: mooped

system.json

@@ -56,7 +56,7 @@
   "initiative": "1d20 + @attributes.init.value",
   "url": "https://github.com/cyface/foundryvtt-dcc",
   "manifest": "https://github.com/foundryvtt-dcc/foundryvtt-dcc/raw/preview-v0.24.0/system.json",
-  "download": "https://github.com/foundryvtt-dcc/foundryvtt-dcc/archive/v0.24.0-preview.2.zip",
+  "download": "https://github.com/foundryvtt-dcc/foundryvtt-dcc/archive/v0.24.0-preview.3.zip",
   "bugs": "https://github.com/foundryvtt-dcc/foundryvtt-dcc/issues",
   "allowBugReporter": true,
   "license": "LICENSE.txt"