[pre-commit.ci] pre-commit autoupdate #509

	name: CI Additional

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

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

	jobs:
	doctests:
	name: Doctests
	runs-on: ubuntu-latest
	if: github.repository == 'xarray-contrib/pint-xarray'

	strategy:
	fail-fast: false
	matrix:
	python-version: ["3.11"]

	steps:
	- name: checkout
	uses: actions/checkout@v4
	- name: setup python
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	- name: initialize cache
	uses: actions/cache@v4
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-pip-py${{ matrix.python-version }}-${{ hashFiles('ci/requirements/**.txt') }}
	restore-keys: \|
	${{ runner.os }}-pip-py${{ matrix.python-version }}-
	- name: upgrade pip
	run: \|
	python -m pip install --upgrade pip setuptools wheel
	- name: install dependencies
	run: \|
	python -m pip install -r ci/requirements.txt
	- name: install pint-xarray
	run: \|
	python -m pip install .
	- name: show versions
	run: \|
	python -c 'import pint_xarray'
	- name: run doctests
	run: \|
	python -m pytest --doctest-modules pint_xarray --ignore pint_xarray/tests

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