Upgrade checkout v2->v4 in GH actions workflow #34

	name: MD to PDF
	on:
	push:
	branches: [ master ]
	# Paths can be used to only trigger actions when you have edited certain files
	paths:
	- 'CV/*.md'
	- 'CV/*.css'
	- '.github/workflows/convert-md-to-pdf.yml'
	workflow_dispatch:

	jobs:
	convert-to-pdf:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4

	- name: Generate PDF from MD
	run: curl -v --data-urlencode "markdown=$(cat CV/Andrei_Punko_CV_$eng$.md)" -d "css=$(cat CV/style.css)" --output CV/pdf/Andrei_Punko_CV_$eng$.pdf https://md-to-pdf.fly.dev

	- name: Commit the PDF (if it changed)
	run: \|
	if [[ `git status --porcelain` ]]; then
	git config --global user.name 'Github workflow'
	git config --global user.email 'nowhere@gmail.com'
	git add -A
	git commit -m "Autogenerated CV in PDF"
	git push
	fi

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