Updates all global user modules from admin scope

Update-AllUserModules.ps1

function Update-AllUserModules
{
    [cmdletbinding(SupportsShouldProcess = $True)]
    param()

    if ($PSCmdlet.ShouldProcess($env:COMPUTERNAME, 'Update all user modules'))
    {
        (Get-InstalledModule).Name | ForEach-Object {
            Write-Verbose "Updating module: $_"
            try
            {
                Update-Module $_ -Scope AllUsers -Force -Verbose:$VerbosePreference
            }
            catch
            {
                $_
                [environment]::Exit(1)
            }
        }
    }
}