modules: memfault: Increase Memfault event storage

Increase the size of the event storage to have space for
all events. The size requirements have increased after the
introduction of location events.

Signed-off-by: Jan Tore Guggedal <jantore.guggedal@nordicsemi.no>

app/overlay-memfault.conf

@@ -13,6 +13,7 @@ CONFIG_MEMFAULT_HEAP_STATS=y
 CONFIG_MEMFAULT_NCS_LOCATION_METRICS=y
 CONFIG_MEMFAULT_HTTP_DEDICATED_WORKQUEUE_STACK_SIZE=1560
 CONFIG_MEMFAULT_COREDUMP_FULL_THREAD_STACKS=y
+CONFIG_MEMFAULT_EVENT_STORAGE_SIZE=2048
 
 # Memfault depends on POSIX, disable unneeded POSIX features
 CONFIG_POSIX_FILE_SYSTEM=n