Open Leap timeout override PR if Slava still unresponsive

Branch cato/bolt-2121-leap-generation-timeout-override. Add a timeout override on the getBatteryIntervalEnergyData supergraph call in the CSV-generation path. Write a brief PR description referencing BOLT-2121 and request Slava review. Only execute if no reply from Slava on BOLT-2121 by Tuesday working hours.