Update system-updates.md #2719

	name: mkdocs-build
	on:
	# push:
	# branches:
	# - main
	pull_request:
	branches: [ main ]

	jobs:
	docs-strict:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	submodules: recursive
	- uses: actions/setup-python@v5
	with:
	python-version: 3.x
	- name: Setup Python environment
	run: pip install -r requirements.txt
	- name: Build docs with --strict
	run: make build-docs

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