fix `net461` boostrapper inside `Paket.Bootstrapper` package
fix `net461` boostrapper inside `Paket.Bootstrapper` package

inosik/Paket,thinkbeforecoding/Paket,thinkbeforecoding/Paket,thinkbeforecoding/Paket,fsprojects/Paket,baronfel/Paket,fsprojects/Paket,inosik/Paket,baronfel/Paket,thinkbeforecoding/Paket