bump version - 3.0.4

Author: nonoroazoro

package.json

@@ -2,7 +2,7 @@
     "name": "syncing",
     "displayName": "%displayName%",
     "description": "%description%",
-    "version": "3.0.3",
+    "version": "3.0.4",
     "publisher": "nonoroazoro",
     "author": {
         "email": "xiaochao.k@gmail.com",