manifest: Regular upmerge to bring the openthread CSL fixes.

Periodic upmerge of OpenThread.

Signed-off-by: Przemyslaw Bida <przemyslaw.bida@nordicsemi.no>
diff --git a/west.yml b/west.yml
index aa52c64..fa1c075 100644
--- a/west.yml
+++ b/west.yml
@@ -183,7 +183,7 @@
       revision: 6010f0523cbc75f551d9256cf782f173177acdef
       path: modules/lib/open-amp
     - name: openthread
-      revision: 6e88d170bb7567d5e9638168e597f602ff3b6046
+      revision: 5d706547ebcb0a85e11412bcd88e80e2af98c74d
       path: modules/lib/openthread
     - name: segger
       revision: 3a52ab222133193802d3c3b4d21730b9b1f1d2f6