Bump cssnano from 7.0.3 to 7.0.4

Bumps [cssnano](https://github.com/cssnano/cssnano) from 7.0.3 to 7.0.4.
- [Release notes](https://github.com/cssnano/cssnano/releases)
- [Commits](https://github.com/cssnano/cssnano/compare/[email protected]@7.0.4)

---
updated-dependencies:
- dependency-name: cssnano
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -40,7 +40,7 @@
 		"astro-capo": "0.0.1",
 		"astrojs-service-worker": "2.0.0",
 		"autoprefixer": "10.4.19",
-		"cssnano": "7.0.3",
+		"cssnano": "7.0.4",
 		"cssnano-preset-advanced": "7.0.3",
 		"dotenv": "16.4.5",
 		"firebase": "10.12.3",