build(deps): bump cssnano-preset-advanced from 6.0.5 to 7.0.3

Bumps [cssnano-preset-advanced](https://github.com/cssnano/cssnano) from 6.0.5 to 7.0.3.
- [Release notes](https://github.com/cssnano/cssnano/releases)
- [Commits](https://github.com/cssnano/cssnano/compare/[email protected]@7.0.3)

---
updated-dependencies:
- dependency-name: cssnano-preset-advanced
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

package.json

@@ -113,7 +113,7 @@
     "@vercel/analytics": "~1.2.2",
     "beauty-error": "~1.2.18",
     "cssnano": "~6.0.2",
-    "cssnano-preset-advanced": "~6.0.2",
+    "cssnano-preset-advanced": "~7.0.3",
     "dlv": "~1.1.3",
     "gatsby": "~5.13.1",
     "gatsby-plugin-advanced-sitemap": "~2.1.0",