feat(openthread): update thread-lib for upstream b678a4f6

* esp-openthread: thread_zigbee/esp-openthread@47428f1e8
* openthread: espressif/openthread@b678a4f63
* esp-idf: espressif/esp-idf@31f4ff2e5
This commit is contained in:
Xu Si Yu
2026-07-06 08:59:01 +00:00
parent 31f4ff2e59
commit 351391127c