manifest: Update sdk-nrf

[nordicjm]

Includes fixes for MCUboot warnings

[NordicBuilder]

The following west manifest projects have changed revision in this Pull Request:

Name	Old Revision	New Revision	Diff
nrf	nrfconnect/sdk-nrf@46768ad	nrfconnect/sdk-nrf@693f67d (main)	nrfconnect/[email protected]

✅ All manifest checks OK

Note: This message is automatically posted and updated by the Manifest GitHub Action.

[github-actions]

You can find the documentation preview for this PR here.

[eivindj-nordic]

Removes the Kconfig compile warning, though the GPIO driver warning is still present

CMake Warning at /home/eivind/ncs/zephyr/CMakeLists.txt:1027 (message):
  No SOURCES given to Zephyr library: drivers__gpio

  Excluding target from build.

[nordicjm]

Removes the Kconfig compile warning, though the GPIO driver warning is still present

CMake Warning at /home/eivind/ncs/zephyr/CMakeLists.txt:1027 (message):
  No SOURCES given to Zephyr library: drivers__gpio

  Excluding target from build.

Try again

[eivindj-nordic]

Not seeing any critical changes included in the manifest. Also did some manual testing of some selected bluetooth samples and DFU and it looks good.