chore(deps): update angular to v20.1.6

Author: renovate[bot]

package.json

@@ -32,8 +32,8 @@
     "zone.js": "~0.15.0"
   },
   "devDependencies": {
-    "@angular/build": "20.1.5",
-    "@angular/cli": "20.1.5",
+    "@angular/build": "20.1.6",
+    "@angular/cli": "20.1.6",
     "@angular/compiler-cli": "20.1.6",
     "@eslint/js": "^9.26.0",
     "@types/node": "^22.15.18",