docs: releases/v2023.1: add warning and known issue for v2021.1.x x86 upgrade #1929

	name: Build Documentation
	on:
	push:
	paths:
	- 'docs/**'
	- '.github/workflows/build-docs.yml'
	pull_request:
	types: [opened, synchronize, reopened]
	paths:
	- 'docs**/'
	- '.github/workflows/build-docs.yml'
	permissions:
	contents: read

	jobs:
	build-documentation:
	name: docs
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Install Dependencies
	run: sudo pip3 install sphinx-rtd-theme
	- name: Build documentation
	run: make -C docs html
	- name: Archive build output
	uses: actions/upload-artifact@v3
	with:
	name: docs_output
	path: docs/_build/html

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