chore(deps): update dependency cssnano to ^7.1.2

Author: renovate[bot]

package.hugo.json

@@ -37,7 +37,7 @@
   },
   "devDependencies": {
     "@fullhuman/postcss-purgecss": "^7.0.2",
-    "cssnano": "^7.1.1",
+    "cssnano": "^7.1.2",
     "eslint": "^9.36.0",
     "eslint-config-prettier": "^10.1.8",
     "eslint-plugin-prettier": "^5.5.4",