chore(deps): update dependency flow-typed to v2.5.2

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change	References
flow-typed	devDependencies	patch	2.5.1 -> 2.5.2	source

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Release Notes

flow-typed/flow-typed

### [`v2.5.2`](https://togithub.com/flow-typed/flow-typed/blob/master/CHANGELOG.md#​252---2019-05-15) ##### Added - Added `useCacheUntil` flag to `install` command ([#​3305](https://togithub.com/flow-typed/flow-typed/issues/3305))

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