Update angularmaterial monorepo to v20

Author: renovate[bot]

quiz-app-mean/package-lock.json

@@ -12,12 +12,12 @@
   "private": true,
   "dependencies": {
     "@angular/animations": "11.2.11",
-    "@angular/cdk": "11.2.13",
+    "@angular/cdk": "20.1.0",
     "@angular/common": "11.2.11",
     "@angular/compiler": "11.2.11",
     "@angular/core": "11.2.11",
     "@angular/forms": "11.2.11",
-    "@angular/material": "11.2.13",
+    "@angular/material": "20.1.0",
     "@angular/platform-browser": "11.2.11",
     "@angular/platform-browser-dynamic": "11.2.11",
     "@angular/router": "11.2.11",