Bump cssnano from 9.8.0 to 9.9.0

[dependabot]

Bumps cssnano from 9.8.0 to 9.9.0.

Release notes

Sourced from cssnano's releases.

v9.9.0

What's Changed

• cssnano now ships its presets and plugins in a single package, so installing it adds one cssnano package to your dependency tree instead of about thirty, and you have fewer packages to review in audits and lockfile updates.

  preset: 'lite' and preset: 'advanced' now work without installing another package. An installed preset package still takes precedence over the built-in one and prints a one-time CSSNANO_INSTALLED_PRESET warning; pass the imported preset function to keep it without the warning. Full names such as cssnano-preset-default fall back to the built-in preset when no package is installed. Projects that require cssnano-preset-default directly must declare it as a dependency, or switch to preset: ['default', {...}]. overrides and resolutions that pin an individual plugin no longer apply.

Commits

• a1f4561 Publish cssnano 9.9.0
• e548b3c test: attempt to load file paths correctly on Windows
• cd4980f feat: warn when overriding built-in presets and update docs
• aa6750a fix(mutation): count unapplied mutations as errored, not killed
• b24b88d refactor(cssnano): fold utils, stylehacks, plugins and presets into cssnano
• b947c7b docs: reword autoprefixer mentions
• 3b08f09 Publich cssnano-preset-advanced 10.0.0
• e2de02b feat!(cssnano-preset-advanced): remove autoprefixer and css-declaration-sorter
• c1019e8 docs: use default astro output directory
• af46c61 docs: website copy tweaks
• Additional commits viewable in compare view

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[dependabot]

Looks like cssnano is up-to-date now, so this is no longer needed.