Update module github.com/stretchr/testify to v1.10.0

Generated by renovateBot

Include XR.SenderSSRC in its DestinationSSRC

Include XR.SenderSSRC in its DestinationSSRC

Expose MarshalSize as a public interface function

Lenth of the packet is an important piece of information which can
be used for stats reporting and to calculate size or pre-allocated
memory buffers.

Update AUTHORS.txt

Add missing CC0 license

Update CI configs to v0.7.10

Update lint scripts and CI configs.

Fix empty twcc packet unmarshalling

Currently empty twcc packets fail unmarshalling because they are too
short. These packets aren't actually invalid, however.

Removing `String()` method from `Packet` interface

Per discussion on Slack, this patch undoes the addition
of a `String()` method on a Packet. Compound packets
now use the new `stringify()` function if a contained
Packet doesn't include a `String()` method.

Fix TransportLayerCC packetLen calculation

When calculating the packet size determine delta sizes by their type not
value.

Add NackPairsFromSequenceNumbers

NackPairsFromSequenceNumbers generates a list of NackPairs given
a list of lost sequence numbers