feat: add uTLS support in measurexlite (#918)

Closes https://github.com/ooni/probe/issues/2253 

Co-authored-by: decfox <decfox@github.com>

internal/measurexlite/utls.go

@@ -0,0 +1,15 @@
+package measurexlite
+
+import (
+	"github.com/ooni/probe-cli/v3/internal/model"
+	utls "gitlab.com/yawning/utls.git"
+)
+
+// NewTLSHandshakerUTLS is equivalent to netxlite.NewTLSHandshakerUTLS
+// except that it returns a model.TLSHandshaker that uses this trace.
+func (tx *Trace) NewTLSHandshakerUTLS(dl model.DebugLogger, id *utls.ClientHelloID) model.TLSHandshaker {
+	return &tlsHandshakerTrace{
+		thx: tx.newTLSHandshakerUTLS(dl, id),
+		tx:  tx,
+	}
+}