LIU-469: Remove duplicate test runners `on: pull_request` #1760

	name: Build documentation

	on:
	push:
	branches:
	- master # Only run on pushes to master
	pull_request:
	types: [opened, synchronize, reopened] # Run on PRs from any branch to any target


	jobs:

	build_docs:
	name: Build RTD documentation
	runs-on: ubuntu-22.04

	steps:
	- uses: actions/checkout@v4

	- uses: actions/setup-python@v5
	name: Install Python
	with:
	python-version: '3.9'

	- name: Install documentation dependencies
	run: \|
	pip install -r docs/requirements.txt

	- name: Build documentation
	run: \|
	READTHEDOCS=True make -C docs html SPHINXOPTS="-W --keep-going"

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