docs: remove MD from secret description

    },

    {

      "name": "GITLAB_TOKEN",

      "description": "A GitLab [project access token](https://docs.gitlab.com/ee/user/project/settings/project_access_tokens.html) or [personal access token](https://docs.gitlab.com/ce/user/profile/personal_access_tokens.html) with `api`, `read_repository` and `write repository` scopes.",

      "description": "A GitLab 'project access token' or 'personal access token' with `api`, `read_repository` and `write repository` scopes.",

      "mandatory": true,

      "secret": true

    },