docs

Update install.md with postgresql >=v15 #595

	name: docs
	on:
	push:
	branches:
	- master
	paths:
	- 'docs/**'
	- 'CHANGELOG.md'
	- 'mkdocs.yml'

	permissions:
	contents: write

	jobs:
	deploy:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- uses: actions/setup-python@v4
	with:
	python-version: 3.x

	- uses: actions/cache@v2
	with:
	key: ${{ github.ref }}
	path: .cache

	- name: Build documentation
	run: \|
	cp CHANGELOG.md docs/changelog.md
	sed -n '/DEFAULTS = \[/,/];/p' lib/Settings/SystemConfig.php \| sed 's/^ //' > docs/system-config.php
	pip install mkdocs-material pillow cairosvg
	mkdocs gh-deploy --force

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