deps: fix upgrade to npm 3.3.6
This adds the debug dep back in for npm@3.3.6. I'll PR separately for fixing the .gitigore to not cause this problem again. This will resolve the problem in https://github.com/nodejs/node/pull/3493
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
This adds the debug dep back in for npm@3.3.6. I'll PR separately for fixing the .gitigore to not cause this problem again. This will resolve the problem in https://github.com/nodejs/node/pull/3493