Update wfnetcorev2.yaml

Author: iscifoni

.github/workflows/wfnetcorev2.yaml

@@ -93,7 +93,7 @@ jobs:
       - name: List sources
         run: dotnet --info
       - name: Publish the package to GitHub
-        run: dotnet nuget push "*.nupkg" --source "github" --api-key $PERSONAL_TOKEN
+        run: dotnet nuget push "*.nupkg" --source "github" --api-key $GITHUB_TOKEN
   deploy:
     needs: build
     if: github.event_name == 'release' && startsWith(github.ref, 'refs/heads/v')