Complete Angular 20.2.1 upgrade with CDK and Material 20.2.0

Co-authored-by: k3nsei <190422+k3nsei@users.noreply.github.com>

Author: Copilot

package-lock.json

@@ -32,12 +32,12 @@
   },
   "dependencies": {
     "@angular/animations": "~20.2.1",
-    "@angular/cdk": "~19.2.19",
+    "@angular/cdk": "~20.2.0",
     "@angular/common": "~20.2.1",
     "@angular/compiler": "~20.2.1",
     "@angular/core": "~20.2.1",
     "@angular/forms": "~20.2.1",
-    "@angular/material": "~19.2.19",
+    "@angular/material": "~20.2.0",
     "@angular/platform-browser": "~20.2.1",
     "@angular/platform-browser-dynamic": "~20.2.1",
     "@angular/router": "~20.2.1",