[request] Update the SDK to use Silicon Labs Matter Version 2.8.0-1.5

[lboue]

Summary

Hello,

A new version of the SDK at SilLabs: Silicon Labs Matter Version 2.8.0-1.5 (Jan 22, 2026)
Could you update the SDK accordingly?

Regards

[silabs-bozont]

Hello Ludovic BOUÉ (@lboue),
Updating the SDK is always on our roadmap, but we're not tightly following and integrating each SiSDK release.
We'll update you once the SDK version under the core changes.

[lboue]

Any news?