fix jsdoc error and update devdependencies versions for NPM packages

fix following error reported by eslint

/gr-task-plugin/gr-task-plugin.js

error  Tag @typedef must have a name/namepath in "jsdoc" mode
       jsdoc/valid-types

also update devdependencies version as per upstream gerrit master
branch in package.json file

package.json file is referenced from following location :

https://gerrit.googlesource.com/gerrit/
    +/refs/heads/master/package.json

Change-Id: If7b22841aa556658cd9ab253b92e51661919f45f
2 files changed