chore: update lerna to 3.0.4

Author: backflip

lerna.json

@@ -1,5 +1,5 @@
 {
-  "lerna": "2.5.1",
+  "lerna": "3.0.4",
   "npmClient": "yarn",
   "useWorkspaces": true,
   "version": "7.0.1"

package.json

@@ -96,7 +96,7 @@
     "eslint": "4.18.1",
     "eslint-config-prettier": "2.9.0",
     "husky": "0.14.3",
-    "lerna": "3.0.0-rc.0",
+    "lerna": "3.0.4",
     "lint-staged": "6.1.1",
     "npx": "9.7.1",
     "prettier": "1.10.2",