fix(package): update read-pkg-up to version 7.0.0 (#1858)

package.json

@@ -97,7 +97,7 @@
     "qr-image": "^3.2.0",
     "qrcode": "^1.4.4",
     "raven": "^2.6.2",
-    "read-pkg-up": "^6.0.0",
+    "read-pkg-up": "^7.0.0",
     "state-switch": "^0.6.2",
     "watchdog": "^0.8.1",
     "wechaty-puppet": "^0.17.3",