downgrade setup java to v3 to test if it works with java 8 #504

	name: Markdown Doclet

	on: [push]

	jobs:
	build-and-deploy:
	runs-on: macos-latest
	steps:
	- uses: actions/checkout@v4
	with:
	persist-credentials: false # this is required for the javadoc deploy plugin
	- name: Set up JDK 8
	uses: actions/setup-java@v3
	with:
	distribution: 'temurin'
	java-version: '8'
	- name: Print maven version
	run: mvn -version
	- name: Cache Maven packages
	uses: actions/cache@v4
	with:
	path: \|
	~/.m2
	key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}-1
	- name: Build with Maven 📦
	run: mvn clean install -DskipTests=True
	- name: Install the MarkDown DocLet 🔌
	run: \|
	cd ./documentation/melt_doclet
	mvn clean install
	- name: Generate MarkDown Documentation 📚
	run: mvn site -P ci-run,default
	- name: Deploy MarkDown 🚀
	uses: JamesIves/[email protected]
	with:
	token: ${{ secrets.GITHUB_TOKEN }}
	branch: gh-pages # The branch the action should deploy to.
	folder: target/site/apidocs/generated_markdown
	target-folder: 4_available_matcher_components/generated_markdown

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