update dependencies

[radiovisual]

❯ npm outdated
Package               Current  Wanted  Latest  Location
ava                    0.12.0  0.12.0  0.15.2  ava
babel                  5.8.38  5.8.38   6.5.2  babel
babel-runtime          5.8.38  5.8.38   6.9.2  babel-runtime
inquirer                0.9.0   0.9.0   1.1.2  inquirer
nyc                     5.6.0   5.6.0   6.6.1  nyc
pendel                  1.0.1   1.0.1   2.0.2  pendel
twelve-to-twentyfour    0.1.4   0.1.4   1.0.1  twelve-to-twentyfour
update-notifier         0.6.3   0.6.3   1.0.2  update-notifier
valid-file              0.0.1   0.0.1   0.0.2  valid-file
wait-p                  0.0.1   0.0.1   1.0.0  wait-p
xo                     0.12.1  0.12.1  0.16.0  xo