fix: update `reduce` for `EdgeTypeStr` #21099

	name: Documentation

	on: # yamllint disable-line rule:truthy
	push:
	branches:
	- master
	pull_request:

	concurrency:
	group: ${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.ref }}-${{ startsWith(github.ref, 'refs/pull/') \|\| github.run_number }} # yamllint disable-line
	# Only cancel intermediate builds if on a PR:
	cancel-in-progress: ${{ startsWith(github.ref, 'refs/pull/') }}

	jobs:

	make_html:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	with:
	fetch-depth: 40

	# Skip workflow if only certain files have been changed.
	- name: Get changed files
	id: changed-files-specific
	uses: tj-actions/changed-files@v41
	with:
	files: \|
	benchmark/**
	conda/**
	docker/**
	examples/**
	graphgym/**
	README.md
	CHANGELOG.md

	- name: Setup packages
	if: steps.changed-files-specific.outputs.only_changed != 'true'
	uses: ./.github/actions/setup
	with:
	full_install: false

	- name: Install main package
	if: steps.changed-files-specific.outputs.only_changed != 'true'
	run: \|
	pip install nbsphinx
	pip install git+https://github.com/pyg-team/pyg_sphinx_theme.git
	pip install -e .

	- name: Build documentation
	if: steps.changed-files-specific.outputs.only_changed != 'true'
	run: \|
	cd docs && make clean && make html SPHINXOPTS="-W" # Fail on warning.

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