Update `color_space_to_rgb_colourspace` member usage. (#1985) #345

	# SPDX-License-Identifier: BSD-3-Clause
	# Copyright Contributors to the OpenColorIO Project.
	#
	# GitHub Actions workflow file
	# https://help.github.com/en/actions/reference/workflow-syntax-for-github-actions

	name: GPU

	on:
	push:
	# Versioned branches and tags are ignored for OCIO <= 1.x.x
	branches-ignore:
	- RB-0.*
	- RB-1.*
	- gh-pages
	tags-ignore:
	- v0.*
	- v1.*

	jobs:
	# ---------------------------------------------------------------------------
	# Linux GPU (AWS CodeBuild)
	# ---------------------------------------------------------------------------

	linux_gpu:
	name: 'Linux CentOS 7 VFX CY2020 GPU <GCC 6.3.1>'
	# Don't run on OCIO forks
	if: github.repository == 'AcademySoftwareFoundation/OpenColorIO'
	# GH-hosted VM. The build runs in CentOS 7 'container' hard-coded in
	# AWS CodeBuild project.
	# TODO: Add support for dynamic GH Action defined CodeBuild
	# container choice.
	runs-on: ubuntu-latest
	steps:
	- name: Configure AWS Credentials
	uses: aws-actions/configure-aws-credentials@v2
	with:
	aws-access-key-id: ${{ secrets.CODEBUILD_ID }}
	aws-secret-access-key: ${{ secrets.CODEBUILD_SECRET }}
	aws-region: us-west-2
	- name: Run CodeBuild
	uses: aws-actions/aws-codebuild-run-build@v1
	with:
	project-name: OpenColorIO
	buildspec-override: buildspec.yml

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