manifest: Update sdk-zephyr

Include:
[nrf fromlist] samples: boards: nordic: coresight_stm: Test STM...
dictionary mode
nrfconnect/sdk-zephyr#2047

Signed-off-by: Sebastian Głąb <sebastian.glab@nordicsemi.no>

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: ea7e265dadf63ab2def0813378f20f2da793877e
+ revision: pull/2047/head
  import:
  # In addition to the zephyr repository itself, NCS also
  # imports the contents of zephyr/west.yml at the above