mainfest: sdk-zephyr: Pull fix for co-ex label

Fixes co-ex label name to match MPSL requirements.

Signed-off-by: Chaitanya Tata <[email protected]>

Author: krish2718

west.yml

@@ -72,7 +72,7 @@ manifest:
     # https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/zephyr/guides/modules.html
     - name: zephyr
       repo-path: sdk-zephyr
-      revision: 08f1c5bc9f202932467d1ba8c0398c8093d29fa4
+      revision: c8fd566676f5205165304243f4313469d01d9e65
       import:
         # In addition to the zephyr repository itself, NCS also
         # imports the contents of zephyr/west.yml at the above