Update actions/cache action to v4 #80

	name: publish-to-xam.dk

	on:
	push:
	branches:
	- master
	pull_request:

	jobs:
	build:
	runs-on: ubuntu-latest
	name: build-and-publish
	steps:
	- uses: actions/checkout@master
	- uses: ruby/setup-ruby@v1
	with:
	bundler-cache: true
	- name: install-commands
	run: \|
	sudo apt-get install -qq sshpass
	- uses: actions/cache@v4
	id: cache-jekyll
	with:
	path: .jekyll-cache
	key: ${{ runner.os }}
	restore-keys: \|
	${{ runner.os }}-jekyll-
	- name: build-and-publish
	env:
	XAMSSH: "${{ secrets.XAMSSH }}"
	run: bundle exec rake travis

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