Update dependency cssnano-preset-default to v6.0.4 (#1450)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [cssnano-preset-default](https://togithub.com/cssnano/cssnano) | [`6.0.3` -> `6.0.4`](https://renovatebot.com/diffs/npm/cssnano-preset-default/6.0.1/6.0.4) | [![age](https://developer.mend.io/api/mc/badges/age/npm/cssnano-preset-default/6.0.4?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/cssnano-preset-default/6.0.4?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/cssnano-preset-default/6.0.1/6.0.4?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/cssnano-preset-default/6.0.1/6.0.4?slim=true)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

<details>
<summary>cssnano/cssnano (cssnano-preset-default)</summary>

### [`v6.0.4`](https://togithub.com/cssnano/cssnano/compare/[email protected]@6.0.4)

[Compare Source](https://togithub.com/cssnano/cssnano/compare/[email protected]@6.0.4)

### [`v6.0.3`](https://togithub.com/cssnano/cssnano/releases/tag/cssnano%406.0.3): v6.0.3

[Compare Source](https://togithub.com/cssnano/cssnano/compare/[email protected]@6.0.3)

##### Bug fixes

-   do not sort unknown properties\\

#### Other

-   Require latest browserslist and postcss-selector-parser

### [`v6.0.2`](https://togithub.com/cssnano/cssnano/releases/tag/cssnano%406.0.2): v6.0.2

[Compare Source](https://togithub.com/cssnano/cssnano/compare/[email protected]@6.0.2)

-   fix: update cssnano peer dependency to 8.4.31 to avoid security issue
-   fix: update postcss-calc to 9.0.1 to solve disappearing expressions inside two brackets
-   deps(postcss-svgo): update SVGO to 3.0.5 and update doc
-   chore: update css-declaration-sorter
-   fix(postcss-minify-selectors): prevent mangling of timeline range names
-   fix(postcss-convert-values): keep percent unit in `@Property`
-   chore(cssnano): update lilconfig to 3.0.0

</details>

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packages/next/package.json

@@ -220,7 +220,7 @@
     "cross-spawn": "7.0.3",
     "crypto-browserify": "3.12.0",
     "css.escape": "1.5.1",
-    "cssnano-preset-default": "6.0.3",
+    "cssnano-preset-default": "6.0.4",
     "data-uri-to-buffer": "6.0.2",
     "debug": "4.3.4",
     "devalue": "4.3.2",