An in-range update of lodash is breaking the build 🚨

## The dependency [lodash](https://github.com/lodash/lodash) was updated from `4.17.11` to `4.17.12`.

🚨 [View failing branch](https://github.com/konsumer/grpcnode/compare/master...konsumer:greenkeeper%2Flodash-4.17.12).

This version is **covered** by your **current version range** and after updating it in your project **the build failed**.

lodash is a direct dependency of this project, and **it is very likely causing it to break**. If other packages depend on yours, this update is probably also breaking those in turn.

Status Details

- ❌ **continuous-integration/travis-ci/push:** The Travis CI build could not complete due to an error ([Details](https://travis-ci.org/konsumer/grpcnode/builds/556532725?utm_source=github_status&utm_medium=notification)).

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FAQ and help

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Your [Greenkeeper](https://greenkeeper.io) Bot :palm_tree:

Beginne damit, den verlinkten fehlschlagenden Branch und die Travis-CI-Build-Details für das Update auf lodash 4.17.12 zu untersuchen. Verfolge den Build-Fehler im Projekt, überprüfe anschließend, dass die Abhängigkeitsänderung den Build nicht mehr beeinträchtigt und dass CI erfolgreich durchläuft.

Vom Indexierungsmodell aus dem Issue-Text verfasst.