build: Update devDependencies

* Minor updates, no breaking changes or notable bugs for us.
* Remove odd --footer override that kept things like "JSDuck (v)"
  and "Generated on (time)" out of the output. This only affects
  local builds and not Jenkins as it was already overridden there.

Change-Id: I1472fbc709f67130802d89658f67311e1a5285cf