chore(deps): update angular-cli monorepo to v20

Author: renovate[bot]

package.json

@@ -45,9 +45,9 @@
     "zone.js": "0.14.10"
   },
   "devDependencies": {
-    "@angular-devkit/build-angular": "18.2.9",
+    "@angular-devkit/build-angular": "20.3.1",
     "@angular-eslint/eslint-plugin": "19.0.0",
-    "@angular/cli": "18.2.9",
+    "@angular/cli": "20.3.1",
     "@angular/compiler-cli": "18.2.8",
     "@angular/language-service": "18.2.8",
     "@commitlint/cli": "19.5.0",