Bump actions/upload-artifact from 3 to 4 #2807

	---
	name: Build documentation
	# Setup and build files with hugo
	# https://github.com/peaceiris/actions-hugo

	on: [pull_request]

	jobs:
	build:
	name: Build with Hugo
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	# Fetch the Docsy theme
	submodules: recursive
	# Fetch all history for .GitInfo and .Lastmod
	fetch-depth: 0

	- name: Get Hugo version
	id: hugo_version
	uses: juliangruber/read-file-action@v1
	with:
	path: .github/workflows/hugo_version.txt

	- name: Setup Hugo
	uses: peaceiris/actions-hugo@v2
	with:
	hugo-version: "${{ steps.hugo_version.outputs.content }}"
	extended: true

	- name: Setup Node
	uses: actions/setup-node@v4
	with:
	node-version: "lts/*"

	- name: Cache dependencies
	uses: actions/cache@v3
	with:
	path: ~/.npm
	key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
	restore-keys: \|
	${{ runner.os }}-node-

	- name: Install npm project with a clean slate
	run: npm ci

	- name: Build and minify using Hugo
	run: hugo --minify

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