Update dependency resize-img to v2

[renovate-bot]

This PR contains the following updates:

Package	Type	Update	Change
resize-img	devDependencies	major	1.1.2 -> 2.0.0

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Release Notes

kevva/resize-img

### [`v2.0.0`](https://togithub.com/kevva/resize-img/releases/v2.0.0) [Compare Source](https://togithub.com/kevva/resize-img/compare/v1.1.2...v2.0.0) - Check that `width` and `height` is finite numbers [`cf1a6fd`](https://togithub.com/kevva/resize-img/commit/cf1a6fd) - Add `format` option [`1cc86e8`](https://togithub.com/kevva/resize-img/commit/1cc86e8) - Bump `image-size` dependency [`e40cb5e`](https://togithub.com/kevva/resize-img/commit/e40cb5e) - Support Node.js 10 [`09b724d`](https://togithub.com/kevva/resize-img/commit/09b724d) - Fix resize problems for jpg and bmp files if a target dimension is calculated ([#​4](https://togithub.com/kevva/resize-img/issues/4)) [`dc6ef18`](https://togithub.com/kevva/resize-img/commit/dc6ef18) - Test on Node.js 6 instead of 5 [`cb670df`](https://togithub.com/kevva/resize-img/commit/cb670df) - Use `Buffer.from()` instead of `new Buffer()` [`dca3f59`](https://togithub.com/kevva/resize-img/commit/dca3f59)

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