Bump actions/checkout from 1 to 4 (#64) #110

	name: Testing on Ubuntu
	on: [push]

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4
	- name: Install dependencies
	run: \|
	sudo apt install -y perl cpanminus
	sudo cpanm --installdeps .
	- name: Verify the basic usage
	run: \|
	perl spellbook.pl --help

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