Incorporated apt-get installs into container .gitlab-ci.yml file

unit-test-job: 

  stage: test

  script:

    - apt-get --allow-releaseinfo-change update -y

    - apt-get -y upgrade

    - apt-get install -y libgomp1

    - apt-get install -y libgl1-mesa-glx

    - mamba env create -f environment.yml -n autocnet_env

    - conda init

    - source /root/.bashrc