chore: migrate to angular 20 and latest analog version

Author: d-koppenhagen

angular.json

@@ -5,7 +5,7 @@
   "projects": {
     "blog": {
       "projectType": "application",
-      "root": "",
+      "root": ".",
       "sourceRoot": "src",
       "prefix": "dk",
       "architect": {