Update postcss-loader to version 0.9.0 🚀

[greenkeeperio-bot]

Hello :wave:

:rocket::rocket::rocket:

postcss-loader just published its new version 0.9.0, which is not covered by your current version range.

If this pull request passes your tests you can publish your software with the latest version of postcss-loader – otherwise use this branch to work on adaptions and fixes.

Happy fixing and merging :palm_tree:

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The new version differs by 37 commits .

• 52e7a21 Release 0.9 version
• de033ea Update dependencies
• e4970d6 Allow to override syntax in query string
• 7059767 Respect holy 80 symbols line
• 0231cba Merge pull request #59 from jenius/master
• 8e7ae53 Update dependencies
• 6c15025 Update README.md
• 9b4d616 Fix order of plugins in README
• ac56fc6 Merge pull request #61 from wesleyb-io/update-reamde-to-include-install-instructions
• 01ad389 Update README.md to include install instructions
• 523249a add capability to pass other options as function
• f533137 Release 0.8.2 version
• 223b0cf Fix test with new case
• 39cc8ca Update dependencies
• 0f04e7b Update tests

There are 37 commits in total. See the full diff.

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