Bump mypy from 1.14.1 to 1.15.0 #370

	---
	name: Python tests

	on:
	pull_request:
	push:
	branches:
	- main

	jobs:
	build:
	runs-on: ubuntu-24.04
	timeout-minutes: 5

	strategy:
	matrix:
	python-version:
	- "3.9"
	- "3.10"
	- "3.11"
	- "3.12"
	- "3.13"
	- "3.14-dev"

	steps:
	- name: Checkout the code
	uses: actions/checkout@v4
	with:
	persist-credentials: false

	- name: Install Poetry
	# Don't use Poetry 2 for now.
	# It has breaking changes for how package metadata is defined.
	run: pipx install "poetry < 2"

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	cache: poetry

	- name: Install dependencies
	run: poetry install

	- name: Test with tox
	run: poetry run tox

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