Bump cssnano from 5.1.14 to 6.0.1

[dependabot[bot]]

Bumps cssnano from 5.1.14 to 6.0.1.

Release notes

Sourced from cssnano's releases.

v6.0.1

Bug Fixes

• fix(postcss-merge-rules): do not merge nested rules (https://github.com/cssnano/cssnano/commit/eb9a9a18132d360cb8639f0ca6be4d24401bcde9)
• fix(postcss-reduce-idents): minify grid line names correctly (https://github.com/cssnano/cssnano/commit/2af6687e63978a7b0a08f97d095aa9e6b593eb4f)

v6.0.0

Major Changes

• 99d1e6ab: postcss-normalize-url: remove normalize-url configuration options
• 4e272f88: postcss-svgo: Upgrade dependency svgo to v3 and increase the minimum supported node version to v14
• ca9d3f55: Switch minimum supported Node version to 14 for all packages
• 39a20405: feat!(cssnano): remove undocumented YAML config support

Migration instructions

• If you're not happy with the defaults for the normalize-url transform, turn it off completely. Options were removed as most would change the meaning of the URL, which is unexpcted in the case of CSS minification.
• In the unlikely event you're using YAML to configure cssnano, move the cssnano configuration inside the PostCSS config or use a configuration file in CommonJS or JSON format.

v5.1.15

Bug Fixes

• fix(postcsss-reduce-initial): fix mask-repeat conversion
• fix(postcss-colormin): don't minify colors in src declarations
• fix(postcss-merge-rules): do not merge conflicting flex and border properties

Commits

• 690358c Publish cssnano 6.0.1
• 0cdcaf7 chore: update postcss-calc to 9.0
• 2af6687 fix(postcss-reduce-idents): fix line names grid templates
• eb9a9a1 fix(postcss-merge-rules): do not merge rules with nested rules
• a580534 test(postcss-merge-rules): test container queries
• fae4813 chore: update development dependencies
• 74bd8da chore: update pnpm-lock version
• 7b68ad7 docs: update website for release (#1486)
• 10dd3cf chore: update CLI example for 6.0 release (#1485)
• 8e89938 Publish cssnano 6.0 (#1484)
• Additional commits viewable in compare view

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