Disable rubocop style checker for underscores in big numbers.
Disable rubocop style checker for underscores in big numbers.

It doesn't seem relevant for timestamps, and I'm a bit tired of this
specific linter, so let's go ahead and disable it altogether.

johan--/api-umbrella-web,NREL/api-umbrella,NREL/api-umbrella-web,johan--/api-umbrella-web,apinf/api-umbrella,apinf/api-umbrella,johan--/api-umbrella-web,apinf/api-umbrella,NREL/api-umbrella-web,apinf/api-umbrella,cmc333333/api-umbrella-web,apinf/api-umbrella,NREL/api-umbrella-web,cmc333333/api-umbrella-web,NREL/api-umbrella,cmc333333/api-umbrella-web,johan--/api-umbrella-web,cmc333333/api-umbrella-web,NREL/api-umbrella,NREL/api-umbrella,NREL/api-umbrella-web