Update package.json

[wdullaer]

Fixes a security vulnerability in one of recursive-readdir's dependencies

[axe312ger]

Push! This is important! @wdullaer

[axe312ger]

Maybe also consider update the other dependencies. This module is pretty small and simple, nothing should break.

[pft]

Yup

The version of "debug" ("~2.2.0") also has a known vulnerability.

Changing it to "^2.2.0" (or "^2.6.9") should do the trick.

See https://nodesecurity.io/advisories/534