Change to 5 minutes for Garth's sanity

src/mesh/NodeDB.cpp

@@ -241,7 +241,7 @@ void NodeDB::installRoleDefaults(meshtastic_Config_DeviceConfig_Role role)
         config.position.gps_update_interval = 60;
     } else if (role == meshtastic_Config_DeviceConfig_Role_SENSOR) {
         moduleConfig.telemetry.environment_measurement_enabled = true;
-        moduleConfig.telemetry.environment_update_interval = 450;
+        moduleConfig.telemetry.environment_update_interval = 300;
     }
 }