Bump postcss-preset-env from 6.6.0 to 6.7.0

[dependabot-preview]

Bumps postcss-preset-env from 6.6.0 to 6.7.0.

Changelog

Sourced from postcss-preset-env's changelog.

6.7.0 (July 8, 2019)

• Fixed the issue of autoprefixer alerting an upcoming change to the API
• Updated autoprefixer to 9.6.1 (minor)
• Updated browserslist to 4.6.4 (minor)
• Updated cssdb to 4.4.0 (minor)
• Updated caniuse-lite to 1.0.30000981 (patch)
• Updated postcss to 7.0.17 (patch)
• Updated postcss-color-hex-alpha to 5.0.3 (patch)
• Updated postcss-custom-media to 7.0.8 (patch)
• Updated postcss-custom-properties to 8.0.11 (patch)

Commits

• See full diff in compare view

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[andrey-skl]

@dependabot-bot rebase