added symbol push

Author: RohitM-IN

.github/workflows/nuget_publish.yml

@@ -31,3 +31,4 @@ jobs:
         dotnet build -c Release
         dotnet pack -c Release
         dotnet nuget push bin/Release/*.nupkg --source https://api.nuget.org/v3/index.json --api-key ${{ secrets.NUGET_DEPLOY }}
+        dotnet nuget push bin/Release/*.snupkg --source https://api.nuget.org/v3/index.json --api-key ${{ secrets.NUGET_DEPLOY }}