[TLSEndpointOption] [HTTPEndpointOption] WithMutualTLSCA

[jtszalay]

Surface the following Tunnel Option:

// https://github.com/ngrok/ngrok-go/blob/main/config/mutual_tls.go

type mutualTLSEndpointOption []*x509.Certificate

// WithMutualTLSCA adds a list of [x509.Certificate]'s to use for mutual TLS
// authentication.
// These will be used to authenticate client certificates for requests at the
// ngrok edge.
func WithMutualTLSCA(certs ...*x509.Certificate) interface {
	HTTPEndpointOption
	TLSEndpointOption
}