deps: update @angular/platform-browser to 21.1.3

package.json

@@ -16,7 +16,7 @@
     "@angular/compiler": "^19.1.4",
     "@angular/core": "^19.1.4",
     "@angular/forms": "^19.1.4",
-    "@angular/platform-browser": "^19.1.4",
+    "@angular/platform-browser": "21.1.3",
     "@angular/platform-browser-dynamic": "^19.1.4",
     "@angular/router": "^19.1.4",
     "rxjs": "~7.8.1",
@@ -24,7 +24,7 @@
     "zone.js": "~0.15.0"
   },
   "devDependencies": {
-    "@angular-devkit/build-angular": "21.1.3",
+    "@angular-devkit/build-angular": "^19.1.5",
     "@angular/cli": "^19.1.5",
     "@angular/compiler-cli": "^19.1.4",
     "@nhcarrigan/eslint-config": "5.1.0",