Update `hydrotools.metrics` to newer Python versions #4

	name: hydrotools.metrics

	on:
	push:
	paths:
	- 'python/metrics/**'
	pull_request:
	paths:
	- 'python/metrics/**'
	workflow_dispatch:

	jobs:
	unittests:

	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ["3.9", "3.10", "3.11"]

	steps:
	- uses: actions/checkout@v2
	with:
	fetch-depth: 0
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python3 -m pip install -U pip
	python3 -m pip install ./python/metrics[develop]
	- name: Echo dependency versions
	run: \|
	python3 -m pip freeze
	- name: Run unittests
	run: \|
	python3 -m pytest -s -m "not slow" ./python/metrics/

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