Retrieve the list of connected instances from a Tarantool cluster and save the output to /app/result.txt .

Retrieve the list of connected instances from a Tarantool cluster and save the output to /app/result.txt .: a task in rts-1k-rootless-apptainer: RTS-1K: offline rootless Apptainer release (Harbor dataset). What the agent is asked, how it is graded, what it runs in, and its files.