dontnet sdk updates per https://devblogs.microsoft.com/dotnet/using-d…

…ependabot-to-manage-dotnet-sdk-updates/

.github/dependabot.yml

@@ -4,7 +4,9 @@ updates:
     directory: "/" # search in .github/workflows under root `/`
     schedule:
       interval: "weekly" # check for action update every week
-  - package-ecosystem: "nuget"   # Enable version updates for nuget 
-    directory: "/Build"
+      day: "wednesday"
+  - package-ecosystem: "dotnet-sdk"
+    directory: "/"
     schedule:
-      interval: "daily"  # Check the nuget registry for updates every day (weekdays) schedule: 
+      interval: "weekly"
+      day: "wednesday"