build(deps-dev): bump cssnano from 7.0.4 to 7.0.5 (#1802)

Bumps [cssnano](https://github.com/cssnano/cssnano) from 7.0.4 to 7.0.5.
- [Release notes](https://github.com/cssnano/cssnano/releases)
- [Commits](https://github.com/cssnano/cssnano/compare/[email protected]@7.0.5)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -67,7 +67,7 @@
         "concurrently": "^8.2.2",
         "css-loader": "^7.1.2",
         "cssbeautify": "^0.3.1",
-        "cssnano": "^7.0.4",
+        "cssnano": "^7.0.5",
         "docsearch.js": "^2.6.3",
         "eleventy-plugin-highlightjs": "^1.1.0",
         "eleventy-plugin-nesting-toc": "^1.3.0",