Update actions/checkout action to v4 #44

	name: actinia tests

	on:
	push:
	branches: [ main ]
	pull_request:
	# The branches below must be a subset of the branches above
	branches: [ main ]

	jobs:

	unittests:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	# with:
	# path: "."
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v2
	- name: Replace run only unittest command
	run: \|
	sed -i "s+# RUN make test+RUN make unittest+g" docker/actinia-example-plugin-test/Dockerfile
	- name: Unittests of actinia-example-plugin
	id: docker_build
	uses: docker/build-push-action@v4
	with:
	push: false
	tags: actinia-example-plugin-tests:alpine
	context: .
	file: docker/actinia-example-plugin-test/Dockerfile
	no-cache: true
	# pull: true

	integration-tests:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	# with:
	# path: "."
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v2
	- name: Replace run integration test command
	run: \|
	sed -i "s+# RUN make test+RUN make integrationtest+g" docker/actinia-example-plugin-test/Dockerfile
	- name: Integration tests of actinia-example-plugin
	id: docker_build
	uses: docker/build-push-action@v4
	with:
	push: false
	tags: actinia-example-plugin-test:alpine
	context: .
	file: docker/actinia-example-plugin-test/Dockerfile
	no-cache: true
	# pull: true

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