chore(deps): update dependency @angular-devkit/build-angular to v20

Author: renovate[bot]

package.json

@@ -67,7 +67,7 @@
     "zone.js": "0.11.5"
   },
   "devDependencies": {
-    "@angular-devkit/build-angular": "13.3.4",
+    "@angular-devkit/build-angular": "20.3.1",
     "@angular-eslint/eslint-plugin": "13.2.1",
     "@angular-eslint/eslint-plugin-template": "13.2.1",
     "@angular-eslint/template-parser": "13.2.1",