fix: install curl when not found for DELETE method

    # remove gitlab-managed tf state

    if [[ "$TF_GITLAB_BACKEND_DISABLED" != "true" ]]

    then

        if ! command -v curl > /dev/null

        then

          log_info "--- installing curl (required to remove GitLab terraform state)..."

          apk add --no-cache curl

        fi

        curl --header "Private-Token: ${TF_PASSWORD}" --request DELETE "${TF_ADDRESS}"

    fi