Update wfnetcorev2.yaml

Author: iscifoni

.github/workflows/wfnetcorev2.yaml

@@ -86,7 +86,7 @@ jobs:
           dotnet-version: 7.x
           # source-url: https://nuget.pkg.github.com/shaprcode-it/index.json
       - name: Add Github feed
-        run: dotnet nuget add source --username $GITHUB_USER --password ${{ secrets.GITHUB_TOKEN }} --store-password-in-clear-text --name github "https://nuget.pkg.github.com/shaprcode-it/index.json"
+        run: dotnet nuget add source --username iscifoni --password ${{ secrets.GITHUB_TOKEN }} --store-password-in-clear-text --name github "https://nuget.pkg.github.com/shaprcode-it/index.json"
       - name: List sources
         run: dotnet nuget list source
       - name: List sources