Bump cssnano from 5.1.15 to 6.0.3 in /codewof

Bumps [cssnano](https://github.com/cssnano/cssnano) from 5.1.15 to 6.0.3.
- [Release notes](https://github.com/cssnano/cssnano/releases)
- [Commits](https://github.com/cssnano/cssnano/compare/cssnano@5.1.15...cssnano@6.0.3)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

codewof/package.json

@@ -11,7 +11,7 @@
         "child_process": "1.0.2",
         "clipboard": "2.0.11",
         "codemirror": "5.65.1",
-        "cssnano": "5.1.15",
+        "cssnano": "6.0.3",
         "details-element-polyfill": "2.4.0",
         "fancy-log": "2.0.0",
         "fuse.js": "6.6.2",