updated angular core

frontend/package.json

@@ -13,19 +13,19 @@
   },
   "private": true,
   "dependencies": {
-    "@angular/animations": "^20.0.2",
+    "@angular/animations": "^21.2.11",
     "@angular/cdk": "^20.0.2",
-    "@angular/cli": "^20.3.18",
-    "@angular/common": "^20.3.14",
-    "@angular/compiler": "^20.3.16",
-    "@angular/core": "^20.3.17",
-    "@angular/forms": "^20.0.2",
+    "@angular/cli": "^21.2.9",
+    "@angular/common": "^21.2.11",
+    "@angular/compiler": "^21.2.11",
+    "@angular/core": "^21.2.11",
+    "@angular/forms": "^21.2.11",
     "@angular/material": "^20.0.2",
     "@angular/material-luxon-adapter": "^20.0.2",
-    "@angular/platform-browser": "^20.0.2",
-    "@angular/platform-browser-dynamic": "^20.0.2",
-    "@angular/router": "^20.0.2",
-    "@angular/service-worker": "^20.0.2",
+    "@angular/platform-browser": "^21.2.11",
+    "@angular/platform-browser-dynamic": "^21.2.11",
+    "@angular/router": "^21.2.11",
+    "@angular/service-worker": "^21.2.11",
     "luxon": "^3.6.1",
     "marked": "^12.0.1",
     "rxjs": "~7.5.0",
@@ -34,9 +34,9 @@
     "zone.js": "~0.15.1"
   },
   "devDependencies": {
-    "@angular/build": "^20.0.1",
-    "@angular/compiler-cli": "^20.0.2",
-    "@angular/localize": "^20.0.2",
+    "@angular/build": "^21.2.9",
+    "@angular/compiler-cli": "^21.2.11",
+    "@angular/localize": "^21.2.11",
     "@types/jasmine": "~4.3.0",
     "@types/luxon": "^3.6.2",
     "@types/underscore": "^1.13.0",
@@ -49,7 +49,7 @@
     "karma-jasmine": "~5.1.0",
     "karma-jasmine-html-reporter": "~2.0.0",
     "prettier": "3.5.3",
-    "typescript": "~5.8.3",
+    "typescript": "~5.9.3",
     "typescript-eslint": "8.33.1"
   }
 }