Uses TLS 1.2 on Windows during Start-PSBootstrap (#6235)
Uses TLS 1.2 on Windows during Start-PSBootstrap (#6235)

* Fixed TLS version error on Windows when building PowerShell

JamesWTruher/PowerShell-1,TravisEz13/PowerShell,JamesWTruher/PowerShell-1,PaulHigin/PowerShell,PaulHigin/PowerShell,daxian-dbw/PowerShell,JamesWTruher/PowerShell-1,TravisEz13/PowerShell,daxian-dbw/PowerShell,PaulHigin/PowerShell,TravisEz13/PowerShell,daxian-dbw/PowerShell,TravisEz13/PowerShell,JamesWTruher/PowerShell-1,daxian-dbw/PowerShell,PaulHigin/PowerShell