[CI] if latest contexts have changed, retrieve the previous contexts' test cache and then use `./setup_test_cache u` to update #1297

	name: CI

	on:
	## uncomment before merging to master once test suite is finalized
	push:
	branches:
	- master
	tags:
	- '*'
	pull_request:
	branches:
	- master
	workflow_dispatch:

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	env:
	CRDS_TEST_ROOT: /tmp
	CRDS_PATH: /tmp/crds-cache-default-test
	CRDS_TESTING_CACHE: /tmp/crds-cache-test
	CRDS_SERVER_URL: https://hst-crds.stsci.edu
	CRDS_CLIENT_RETRY_COUNT: 3
	CRDS_CLIENT_RETRY_DELAY_SECONDS: 20
	LD_LIBRARY_PATH: /usr/local/lib

	defaults:
	run:
	shell: bash -leo pipefail {0} {0}

	jobs:
	cache:
	uses: ./.github/workflows/cache.yml
	pytest:
	name: ${{ matrix.runs-on }} Python ${{ matrix.python-version }}
	needs: [ cache ]
	runs-on: ${{ matrix.runs-on }}
	strategy:
	fail-fast: false
	matrix:
	runs-on:
	- ubuntu-latest
	- macos-latest
	python-version:
	- '3.10'
	- '3.11'
	- '3.12'
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- uses: mamba-org/setup-micromamba@v2
	with:
	environment-name: crds-testing
	create-args: >-
	python=${{ matrix.python-version }}
	asdf
	astropy
	filelock
	fitsverify
	numpy
	parsley
	pillow
	requests
	scipy
	six
	init-shell: bash
	cache-environment: true
	cache-downloads: true
	- run: pip install roman-datamodels git+https://github.com/spacetelescope/jwst
	- run: pip uninstall --yes crds && ./install && pip install .[submission,test,docs,synphot]
	- id: cache
	uses: actions/cache@v4
	with:
	path: \|
	${{ needs.cache.outputs.path }}
	${{ needs.cache.outputs.testing_cache }}
	key: ${{ needs.cache.outputs.key }}
	- run: ./runtests --cover

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