fix mutiple dotnet pack invocations with different Version property
fix mutiple dotnet pack invocations with different Version property

thinkbeforecoding/Paket,fsprojects/Paket,cloudRoutine/Paket,cloudRoutine/Paket,theimowski/Paket,thinkbeforecoding/Paket,thinkbeforecoding/Paket,inosik/Paket,cloudRoutine/Paket,theimowski/Paket,inosik/Paket,sergey-tihon/Paket,thinkbeforecoding/Paket,sergey-tihon/Paket,cloudRoutine/Paket,baronfel/Paket,fsprojects/Paket,baronfel/Paket