Bump cssnano from 7.0.7 to 7.1.0 in the dev-dependencies group

Bumps the dev-dependencies group with 1 update: [cssnano](https://github.com/cssnano/cssnano).


Updates `cssnano` from 7.0.7 to 7.1.0
- [Release notes](https://github.com/cssnano/cssnano/releases)
- [Commits](https://github.com/cssnano/cssnano/compare/[email protected]@7.1.0)

---
updated-dependencies:
- dependency-name: cssnano
  dependency-version: 7.1.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dev-dependencies
...

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

Author: dependabot[bot]

package-lock.json

@@ -43,7 +43,7 @@
     "browser-sync": "^3.0.4",
     "chokidar-cli": "^3.0.0",
     "cpr": "^3.0.1",
-    "cssnano": "^7.0.7",
+    "cssnano": "^7.1.0",
     "esbuild": "^0.25.6",
     "graceful-fs": "^4.2.11",
     "isobject": "^4.0.0",