manifest: Update nrfx and Zephyr to have updated samples

Testing.

Signed-off-by: Michał Bainczyk <[email protected]>

Author: mib1-nordic

west.yml

@@ -65,7 +65,7 @@ manifest:
     # https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/zephyr/guides/modules.html
     - name: zephyr
       repo-path: sdk-zephyr
-      revision: pull/3459/head
+      revision: pull/3481/head
       import:
         # In addition to the zephyr repository itself, NCS also
         # imports the contents of zephyr/west.yml at the above
@@ -273,6 +273,12 @@ manifest:
       revision: d5fad6bd094899101a4e5fd53af7298160ced6ab
       groups:
         - benchmark
+    - name: nrfx
+      remote: ncs
+      path: nrfx
+      groups:
+        - nrfx
+      revision: 6c464bfd952620d44c4ac4550760b480047586c2
 
   # West-related configuration for the nrf repository.
   self: