doc: release: 3.4: Add note on MCUmgr being marked as stable API

Adds a note that MCUmgr is now a stable API.

Signed-off-by: Jamie McCrae <jamie.mccrae@nordicsemi.no>
This commit is contained in:
Jamie McCrae 2023-05-16 09:11:03 +01:00 committed by Carles Cufí
commit e3413fde16

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@ -572,6 +572,8 @@ Libraries / Subsystems
:ref:`MCUmgr SMP protocol specification <mcumgr_smp_protocol_specification>`
for details.
* MCUmgr has now been marked as a stable Zephyr API.
* Retention
* Retention subsystem has been added which adds enhanced features over