Bump cssnano from 5.0.2 to 5.0.8

Bumps [cssnano](https://github.com/cssnano/cssnano) from 5.0.2 to 5.0.8.
- [Release notes](https://github.com/cssnano/cssnano/releases)
- [Commits](https://github.com/cssnano/cssnano/compare/cssnano@5.0.2...cssnano@5.0.8)

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

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

package.json

@@ -78,7 +78,7 @@
     "chart.js": "3.5.1",
     "classnames": "2.3.1",
     "countup.js": "^2.0.7",
-    "cssnano": "^5.0.2",
+    "cssnano": "^5.0.8",
     "cypress-axe": "^0.12.2",
     "esbuild": "^0.12.24",
     "event-stream": "3.3.4",