docs: update to theme 1.8.3 and bring improvements from 3.x to set 4.x as default branch #63

	name: "Docs / Build PR"
	# For more information,
	# see https://sphinx-theme.scylladb.com/stable/deployment/production.html#available-workflows

	on:
	pull_request:
	branches:
	- scylla-4.x

	paths:
	- 'docs/**'
	- 'faq/**'
	- 'manual/**'
	- 'changelog/**'
	- 'upgrade_guide/**'

	jobs:
	build:
	runs-on: ubuntu-20.04
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	persist-credentials: false
	fetch-depth: 0

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.10'

	- name: Set up JDK 1.8
	uses: actions/setup-java@v4
	with:
	java-version: 1.8
	distribution: 'adopt'

	- name: Set up env
	run: make -C docs setupenv

	- name: Build docs
	run: make -C docs test

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