[nrf fromtree] net: openthread: Regular openthread upmerge to 00076af

Regular upmerge.

Signed-off-by: Przemyslaw Bida <[email protected]>

(cherry picked from commit f661aa7)

Author: Przemyslaw Bida

west.yml

@@ -301,7 +301,7 @@ manifest:
       revision: 214f9fc1539f8e5937c0474cb6ee29b6dcb2d4b8
       path: modules/lib/open-amp
     - name: openthread
-      revision: 4ed44bc7d58d9a98c6cca13a50d38129045ab3df
+      revision: 00076aff3ae571db7c90509ec9dc293457098c35
       path: modules/lib/openthread
     - name: percepio
       path: modules/debug/percepio