Check if there are old or uninstalled cached packages in pacman's cache and offers to remove them if there are #49

	name: CI
	on: pull_request

	jobs:
	Test:
	runs-on: ubuntu-latest

	container:
	image: docker.io/library/alpine:latest
	options: --privileged

	steps:
	- name: Clone repo
	uses: actions/checkout@v4

	- name: Update container
	run: apk update && apk upgrade

	- name: Install packages
	run: apk add py3-pip ruby shellcheck && pip install codespell && gem install mdl

	- name: Run codespell
	run: codespell --enable-colors

	- name: Run mdl
	run: mdl --style .github/workflows/mdl_style.rb .

	- name: Run shellcheck
	run: find . -name '*.sh' -exec shellcheck --color=always {} +

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