Update module pion/webrtc/v2 to v2.2.26

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
github.com/pion/webrtc/v2	require	patch	v2.2.24 -> v2.2.26

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Release Notes

pion/webrtc

### [`v2.2.26`](https://togithub.com/pion/webrtc/compare/v2.2.25...v2.2.26) [Compare Source](https://togithub.com/pion/webrtc/compare/v2.2.25...v2.2.26) ### [`v2.2.25`](https://togithub.com/pion/webrtc/compare/v2.2.24...v2.2.25) [Compare Source](https://togithub.com/pion/webrtc/compare/v2.2.24...v2.2.25)

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