Merge pull request #13342 from frappe/snyk-fix-6e146ccf3b6880cf19fb4ae0c547a43b

chore(Snyk): Security upgrade cssnano from 4.1.10 to 5.0.0

package.json

@@ -27,7 +27,7 @@
     "bootstrap": "4.5.0",
     "cliui": "^7.0.4",
     "cookie": "^0.4.0",
-    "cssnano": "^4.1.10",
+    "cssnano": "^5.0.0",
     "driver.js": "^0.9.8",
     "express": "^4.17.1",
     "fast-deep-equal": "^2.0.1",