manifest: Update nRF HW models to latest

The nRF HW models have been updated to include the following
fixes and improvements:

* TIMER: Add missing HAL function override
* TIMER: Added notes about minor differences

Signed-off-by: Alberto Escolar Piedras <[email protected]>

Author: aescolar

west.yml

@@ -292,7 +292,7 @@ manifest:
       groups:
         - tools
     - name: nrf_hw_models
-      revision: 0a7f846b0ad38dd7355e5728e7ba77af91c5f848
+      revision: 23bc852e3e4eaf64caa415b47e365ac1685ed91d
       path: modules/bsim_hw_models/nrf_hw_models
     - name: open-amp
       revision: 42b7c577714b8f22ce82a901e19c1814af4609a8