Update upstream-dev-ci.yml #736

	name: xskillscore installs

	on: pull_request

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

	jobs:
	detect-ci-trigger:
	name: detect ci trigger
	runs-on: ubuntu-latest
	if: github.event_name == 'push' \|\| github.event_name == 'pull_request'
	outputs:
	triggered: ${{ steps.detect-trigger.outputs.trigger-found }}
	steps:
	- uses: actions/checkout@v2
	with:
	fetch-depth: 2
	- uses: xarray-contrib/[email protected]
	id: detect-trigger
	with:
	keyword: "[skip-ci]"

	install-xskillscore: # Installs xskillscore on various OS.
	name: Install xskillscore, ${{ matrix.os }}
	runs-on: ${{ matrix.os }}
	needs: detect-ci-trigger
	if: needs.detect-ci-trigger.outputs.triggered == 'false'
	defaults:
	run:
	shell: bash {0}
	strategy:
	matrix:
	os: ["ubuntu-latest", "macos-latest", "windows-latest"]
	steps:
	- uses: actions/checkout@v2
	- name: Setup python
	uses: actions/setup-python@v2
	with:
	python-version: 3.8
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -e .
	python -c "import xskillscore"

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