Change BTS image name

[arukuka]

Summary

• Change BTS image which is used in Test/ directory

Purpose

• Making demo runnable

Contents

• Change BTS image which is used in Test/ directory
  • reason: Fix CI to work fine QuickMPC-BTS#1

Testing Methods Performed

• check that demo can be performed by following
  • server

    dev@host:/path/to/QuickMPC/Test$ docker login ghcr.io -u ${USER}  # it is needed for getting public image in ghcr.io
    dev@host:/path/to/QuickMPC/Test$ make debug

  • client

    dev@host:/path/to/QuickMPC-libClient-py/demo/integration_demo$ pipenv install --skip-lock
    dev@host:/path/to/QuickMPC-libClient-py/demo/integration_demo$ pipenv run python execute_demo.py