Pin @angular/aria to exact 21.0.0 version

Changed the @angular/aria dependency from a tilde range to an exact version (21.0.0) in all Angular template package.json files for consistency and to avoid unexpected minor updates.

templates/app-nolayers/angular/package.json

@@ -22,7 +22,7 @@
     "@abp/ng.theme.lepton-x": "~5.1.0-rc.1",
     "@abp/ng.theme.shared": "~10.1.0-rc.1",
     "@angular/animations": "~21.0.0",
-    "@angular/aria": "~21.0.0",
+    "@angular/aria": "21.0.0",
     "@angular/common": "~21.0.0",
     "@angular/compiler": "~21.0.0",
     "@angular/core": "~21.0.0",

templates/app/angular/package.json

@@ -22,7 +22,7 @@
     "@abp/ng.theme.lepton-x": "~5.1.0-rc.1",
     "@abp/ng.theme.shared": "~10.1.0-rc.1",
     "@angular/animations": "~21.0.0",
-    "@angular/aria": "~21.0.0",
+    "@angular/aria": "21.0.0",
     "@angular/common": "~21.0.0",
     "@angular/compiler": "~21.0.0",
     "@angular/core": "~21.0.0",

templates/module/angular/package.json

@@ -23,7 +23,7 @@
     "@abp/ng.theme.basic": "~10.1.0-rc.1",
     "@abp/ng.theme.shared": "~10.1.0-rc.1",
     "@angular/animations": "~21.0.0",
-    "@angular/aria": "~21.0.0",
+    "@angular/aria": "21.0.0",
     "@angular/common": "~21.0.0",
     "@angular/compiler": "~21.0.0",
     "@angular/core": "~21.0.0",