An in-range update of flow-copy-source is breaking the build 🚨

## The dependency [flow-copy-source](https://github.com/Macil/flow-copy-source) was updated from `2.0.4` to `2.0.5`.

🚨 [View failing branch](https://github.com/e0ipso/subrequests-express/compare/master...e0ipso:greenkeeper%2Fflow-copy-source-2.0.5).

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

flow-copy-source 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/e0ipso/subrequests-express/builds/531569294?utm_source=github_status&utm_medium=notification)).

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