Update devDependency jimp to ^0.8.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
jimp	devDependencies	minor	^0.7.0 -> ^0.8.0

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Release Notes

oliver-moran/jimp

### [`v0.8.0`](https://togithub.com/oliver-moran/jimp/blob/master/CHANGELOG.md#v080-Sat-Sep-07-2019) [Compare Source](https://togithub.com/oliver-moran/jimp/compare/v0.7.0...v0.8.0) ##### 🚀 Enhancement - `@jimp/core`, `@jimp/custom`, `jimp`, `@jimp/plugin-blit`, `@jimp/plugin-blur`, `@jimp/plugin-circle`, `@jimp/plugin-color`, `@jimp/plugin-contain`, `@jimp/plugin-cover`, `@jimp/plugin-crop`, `@jimp/plugin-displace`, `@jimp/plugin-dither`, `@jimp/plugin-fisheye`, `@jimp/plugin-flip`, `@jimp/plugin-gaussian`, `@jimp/plugin-invert`, `@jimp/plugin-mask`, `@jimp/plugin-normalize`, `@jimp/plugin-print`, `@jimp/plugin-resize`, `@jimp/plugin-rotate`, `@jimp/plugin-scale`, `@jimp/plugin-shadow`, `@jimp/plugin-threshold`, `@jimp/plugins`, `@jimp/bmp`, `@jimp/gif`, `@jimp/jpeg`, `@jimp/png`, `@jimp/tiff`, `@jimp/types`, `@jimp/utils` - Made typings plugin friendly & add typings for every package [#​770](https://togithub.com/oliver-moran/jimp/pull/770) ([@​crutchcorn](https://togithub.com/crutchcorn)) ##### Authors: 1 - Corbin Crutchley ([@​crutchcorn](https://togithub.com/crutchcorn)) * * *

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