Update @angular/aria version to 21.0.0

Changed @angular/aria dependency from a range to a fixed version (21.0.0) in both root and setting-management package.json files for consistency and compatibility.

npm/ng-packs/package.json

@@ -56,7 +56,7 @@
     "@angular-eslint/eslint-plugin-template": "~21.0.0",
     "@angular-eslint/template-parser": "~21.0.0",
     "@angular/animations": "21.0.0",
-    "@angular/aria": "~21.0.0",
+    "@angular/aria": "21.0.0",
     "@angular/build": "~21.0.0",
     "@angular/cli": "~21.0.0",
     "@angular/common": "~21.0.0",

npm/ng-packs/packages/setting-management/package.json

@@ -12,7 +12,7 @@
     "tslib": "^2.0.0"
   },
   "peerDependencies": {
-    "@angular/aria": "^21.0.0"
+    "@angular/aria": "21.0.0"
   },
   "publishConfig": {
     "access": "public"