modules: memfault: upgrade to 1.37.1

Upgrade to the latest Memfault firmware sdk to get improved support for
data upload over CoAP and Memfault FOTA via MCUmgr.

Signed-off-by: Gillian Minnehan <gillian.minnehan@nordicsemi.no>

Author: gminn

doc/nrf/links.txt

@@ -246,6 +246,7 @@
 
 .. _`Memfault-SDK`:
 .. _`Memfault firmware SDK`: https://github.com/memfault/memfault-firmware-sdk
+.. _`Memfault firmware SDK changelog`: https://github.com/memfault/memfault-firmware-sdk/blob/master/CHANGELOG.md
 .. _`Memfault WebBluetooth Client source code`: https://github.com/memfault/web-ble-example/blob/main/mds.js
 
 

doc/nrf/releases_and_maturity/releases/release-notes-changelog.rst

@@ -943,6 +943,8 @@ Memfault integration
   * The :kconfig:option:`CONFIG_MEMFAULT_NCS_POST_INITIAL_HEARTBEAT_ON_NETWORK_CONNECTED` Kconfig option to control whether an initial heartbeat is sent when the device connects to a network
     This shows the device status and initial metrics in the Memfault dashboard soon after boot.
   * Support for recording location metrics when using external cloud location services (:kconfig:option:`CONFIG_LOCATION_SERVICE_EXTERNAL`).
+  * Updated Memfault to version 1.37.1.
+    See the `Memfault firmware SDK changelog`_ for details.
 
 AVSystem integration
 --------------------

west.yml

@@ -246,7 +246,7 @@ manifest:
       remote: throwtheswitch
     - name: memfault-firmware-sdk
       path: modules/lib/memfault-firmware-sdk
-      revision: 1.34.0
+      revision: 1.37.1
       remote: memfault
     - name: bsim
       repo-path: bsim_west