Fixed only: specifications in .gitlab-ci.yml to depend on .gitlab-ci.yml too

            - src/**/*.{h,hpp,cpp,cu}

            - Documentation/Tutorials/**/*.{h,hpp,cpp,cu}

            - "**/CMakeLists.txt"

            - .gitlab-ci.yml

# Dummy build job to ensure that a pipeline is created for a merge request, even

# when there were no changes.

            - src/**/*.{h,hpp,cpp,cu}

            - Documentation/Tutorials/**/*.{h,hpp,cpp,cu}

            - "**/CMakeLists.txt"

            - .gitlab-ci.yml

# Cuda builds are specified first because they take more time than host-only builds,

# which can be allocated on hosts whitout GPUs.

        changes:

            - Documentation/**/*

            - src/TNL/**/*.{h,hpp}

            - .gitlab-ci.yml

    script:

        - ./Documentation/build

    artifacts:

deploy documentation:

    stage: deploy

    only:

        changes:

            - Documentation/**/*

            - src/TNL/**/*.{h,hpp}

            - .gitlab-ci.yml

        variables:

            - $TNL_DOC_DEPLOY_KEY

        refs: