update sonarsource github action to v3 #216

	name: Doxygen

	on:
	push:
	branches: ['main']
	pull_request:
	branches: ['main']
	types: [opened, closed]

	jobs:
	update-doxygen:
	runs-on: ubuntu-latest
	if: github.event.pull_request.merged == true
	steps:
	- uses: actions/checkout@v2
	with:
	persist-credentials: false
	fetch-depth: 0
	- name: Create local changes
	run: \|
	sudo apt-get install doxygen
	cd docs
	doxygen
	cp -r ./html/* ./
	rm -rf ./html
	git add .
	- name: Commit files
	run: \|
	git config --local user.email "41898282+github-actions[bot]@users.noreply.github.com"
	git config --local user.name "github-actions[bot]"
	git commit -m "Auto-generate Doxygen documentation via Github Actions" -a
	- name: Push changes
	uses: ad-m/github-push-action@master
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	branch: gh-pages
	force: true

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