One liner to bump up TLS available for Invoke-WebRequest, Invoke-RestMethod, etc...

Profile.ps1

# Bump up the TLS profile to the max value supported by your system
[System.Enum]::GetValues('Net.SecurityProtocolType') |
    Where-Object { $_ -gt [System.Math]::Max( [Net.ServicePointManager]::SecurityProtocol.value__, [Net.SecurityProtocolType]::Tls.value__ ) } |
    ForEach-Object {
        [Net.ServicePointManager]::SecurityProtocol = [Net.ServicePointManager]::SecurityProtocol -bor $_
    }

# The rest of your Profile.ps1 ...