Vulnerability in dependency underscore

[lkreimann]

Dear maintainers,

currently there's a vulnerability in the dependency underscore in the version 1.9.x locked in this projects package.json. You can find more details here: GHSA-cf4h-3jhx-xvhq

Please update underscore to version 1.12.1 or higher.

[MakakWasTaken]

#448 Fixes this error