Revised publish script.

Author: lextm

dist.publish2nugetdotorg.bat

@@ -1,3 +1,2 @@
-.\nuget.exe update /self
-for %%f in (.\*.nupkg) do .\nuget.exe push %%f -Source https://api.nuget.org/v3/index.json
+for %%f in (.\*.nupkg) do dotnet nuget push %%f --source https://api.nuget.org/v3/index.json -k %NUGET_API_KEY%
 @REM Symbol package is pushed in this step as well.