[Doc] Fix typo error in CONTRIBUTING.md #20977

	name: mypy

	on:
	# Trigger the workflow on push or pull request,
	# but only for the main branch
	push:
	branches:
	- main
	paths:
	- '*/.py'
	- '.github/workflows/mypy.yaml'
	- 'tools/mypy.sh'
	- 'pyproject.toml'
	pull_request:
	branches:
	- main
	# This workflow is only relevant when one of the following files changes.
	# However, we have github configured to expect and require this workflow
	# to run and pass before github with auto-merge a pull request. Until github
	# allows more flexible auto-merge policy, we can just run this on every PR.
	# It doesn't take that long to run, anyway.
	#paths:
	# - '*/.py'
	# - '.github/workflows/mypy.yaml'
	# - 'tools/mypy.sh'
	# - 'pyproject.toml'

	jobs:
	mypy:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ["3.9", "3.10", "3.11", "3.12"]
	steps:
	- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@0b93645e9fea7318ecaed2b359559ac225c90a2b # v5.3.0
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install mypy==1.11.1
	pip install types-setuptools
	pip install types-PyYAML
	pip install types-requests
	pip install types-setuptools
	- name: Mypy
	run: \|
	echo "::add-matcher::.github/workflows/matchers/mypy.json"
	tools/mypy.sh 1 ${{ matrix.python-version }}

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