correct max contacts and channels for some nrf devices

variants/lilygo_techo/platformio.ini

@@ -105,8 +105,8 @@ build_flags =
   ${LilyGo_T-Echo.build_flags}
   -I src/helpers/ui
   -I examples/companion_radio/ui-new
-  -D MAX_CONTACTS=100
-  -D MAX_GROUP_CHANNELS=8
+  -D MAX_CONTACTS=350
+  -D MAX_GROUP_CHANNELS=40
   -D OFFLINE_QUEUE_SIZE=256
   -D UI_RECENT_LIST_SIZE=9
   -D AUTO_SHUTDOWN_MILLIVOLTS=3300