gh workflow: fix gh-pages ref branch #2

	name: Deploy docs

	on:
	push:
	branches:
	- master

	jobs:
	build:
	name: Deploy docs
	runs-on: ubuntu-latest
	steps:
	- name: Download source
	uses: actions/checkout@v3
	- name: Install Python
	uses: actions/setup-python@v4
	with:
	python-version: '3.x'
	- name: Install Python dependencies
	run: \|
	python -m pip install --upgrade hatch
	- name: Build site
	run: hatch -e docs run mkdocs build
	- name: Deploy to gh-pages
	if: github.event_name == 'push' && github.ref == 'refs/heads/master'
	uses: oprypin/push-to-gh-pages@v3
	with:
	publish_dir: site
	commit_message: 'Generate docs: '

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