Update angularmaterial monorepo to v21

Author: renovate[bot]

package.json

@@ -12,12 +12,12 @@
   },
   "private": true,
   "dependencies": {
-    "@angular/cdk": "^20.0.5",
+    "@angular/cdk": "^21.0.0",
     "@angular/common": "^20.0.6",
     "@angular/compiler": "^20.0.6",
     "@angular/core": "^20.0.6",
     "@angular/forms": "^20.0.6",
-    "@angular/material": "^20.0.5",
+    "@angular/material": "^21.0.0",
     "@angular/platform-browser": "^20.0.6",
     "@angular/platform-browser-dynamic": "^20.0.6",
     "@angular/router": "^20.0.6",