update default feed in kvm.ps1 to release feed

Author: analogrelay

src/kvm.ps1

@@ -30,7 +30,7 @@ Set-Variable -Option Constant "RuntimeShortName" "KRE"
 Set-Variable -Option Constant "RuntimeFolderName" ".k"
 Set-Variable -Option Constant "CommandName" "kvm"
 Set-Variable -Option Constant "VersionManagerName" "K Version Manager"
-Set-Variable -Option Constant "DefaultFeed" "https://www.myget.org/F/aspnetvnext/api/v2"
+Set-Variable -Option Constant "DefaultFeed" "https://www.myget.org/F/aspnetrelease/api/v2"
 Set-Variable -Option Constant "CrossGenCommand" "k-crossgen"
 Set-Variable -Option Constant "HomeEnvVar" "KRE_HOME"
 Set-Variable -Option Constant "UserHomeEnvVar" "KRE_USER_HOME"