feat: upgrade @angular/router from 18.2.13 to 20.1.0

Snyk has created this PR to upgrade @angular/router from 18.2.13 to 20.1.0.

See this package in npm:
@angular/router

See this project in Snyk:
https://app.snyk.io/org/contentstack-devex/project/11c47692-61cb-4ece-ba33-ab2c35193373?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot

package-lock.json

@@ -20,7 +20,7 @@
     "@angular/compiler": "18.2.13",
     "@angular/core": "18.2.13",
     "@angular/platform-browser": "18.2.13",
-    "@angular/router": "18.2.13",
+    "@angular/router": "20.1.0",
     "@contentstack/delivery-sdk": "^4.8.0",
     "@contentstack/live-preview-utils": "^3.3.0",
     "@timbenniks/contentstack-endpoints": "^1.0.12",