Update dependency postcss-normalize to v8 - autoclosed

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
postcss-normalize	devDependencies	major	7.0.1 -> 8.0.1

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Release Notes

csstools/postcss-normalize

### [`v8.0.1`](https://togithub.com/csstools/postcss-normalize/blob/master/CHANGELOG.md#​801-June-10-2019) [Compare Source](https://togithub.com/csstools/postcss-normalize/compare/2f04d18757ca45826a0d4c2ea14cc5ec0a083f3f...7c11ae71a5c827d697fffb9f442e1f4cb9d55a54) - Fixed: Issue with Windows failing to resolve normalize - Updated: `browserslist` to 4.6.2 (patch) - Updated: `postcss` to 7.0.17 (patch) ### [`v8.0.0`](https://togithub.com/csstools/postcss-normalize/blob/master/CHANGELOG.md#​800-June-3-2019) [Compare Source](https://togithub.com/csstools/postcss-normalize/compare/e5e3797e1ad02065e2e6544f6c4288569d7167be...2f04d18757ca45826a0d4c2ea14cc5ec0a083f3f) - Added: `sanitize.css` 10.0.0 (major) - Updated: `@csstools/normalize.css` to 10.1.0 (major) - Updated: `browserslist` to 4.5.6 (minor) - Updated: `postcss` to 7.0.16 (patch) - Updated: Node 8+ compatibility (major)

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