Bump vulnerable dependencies in proxy dashboard
Bump vulnerable dependencies in proxy dashboard

[#179048524](https://www.pivotaltracker.com/story/show/179048524)

Co-authored-by: Andrew Garner <b1cc5a52f259b42a8a7515d029542619be3a2eea@vmware.com>
Co-authored-by: Kyle Ong <7edb1eff69b27fe69ba1ea9dd59bb22399554086@vmware.com>

cloudfoundry-incubator/switchboard,cloudfoundry-incubator/switchboard,cloudfoundry-incubator/switchboard,cloudfoundry-incubator/switchboard