changes requested as per review comments..

Author: gauravsaini04

src/universal/.devcontainer/devcontainer.json

@@ -10,7 +10,9 @@
             "userGid": "1000"
         },
         "ghcr.io/devcontainers/features/dotnet:2": {
-            "version": "8.0"
+            "version": "8.0",
+            "dotnetRuntimeVersions": "7.0",
+            "aspNetCoreRuntimeVersions": "7.0"
         },
         "ghcr.io/devcontainers/features/hugo:1": {
             "version": "latest"