Update angular-cli monorepo to v20

Author: renovate-bot

frontend/package.json

@@ -33,8 +33,8 @@
     "zone.js": "~0.14.2"
   },
   "devDependencies": {
-    "@angular-devkit/build-angular": "^17.0.0",
-    "@angular/cli": "^17.3.8",
+    "@angular-devkit/build-angular": "^20.0.0",
+    "@angular/cli": "^20.0.0",
     "@angular/compiler-cli": "^17.0.0",
     "@angular/localize": "^17.0.0",
     "@types/jasmine": "~5.1.0",

genai-for-marketing/frontend/package.json

@@ -41,8 +41,8 @@
     "zone.js": "~0.14.2"
   },
   "devDependencies": {
-    "@angular-devkit/build-angular": "^17.0.3",
-    "@angular/cli": "^17.0.3",
+    "@angular-devkit/build-angular": "^20.0.0",
+    "@angular/cli": "^20.0.0",
     "@angular/compiler-cli": "^17.0.0",
     "@types/express": "^4.17.17",
     "@types/jasmine": "~5.1.0",