Add configuration for PDF/A conformance level #78

	name: "lein test: all"
	on: [push, pull_request]
	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: install runsc
	run: \|
	set -e
	ARCH=$(uname -m)
	URL=https://storage.googleapis.com/gvisor/releases/release/20230130/${ARCH}
	sudo wget ${URL}/runsc ${URL}/runsc.sha512 \
	${URL}/containerd-shim-runsc-v1 ${URL}/containerd-shim-runsc-v1.sha512
	sha512sum -c runsc.sha512 \
	-c containerd-shim-runsc-v1.sha512
	sudo rm -f *.sha512
	sudo chmod a+rx runsc containerd-shim-runsc-v1
	sudo mv runsc containerd-shim-runsc-v1 /usr/local/bin
	sudo /usr/local/bin/runsc install -- --platform=ptrace
	sudo systemctl restart docker
	- name: test docker opts work in GHA env with and without gvisor
	run: \|
	docker --version
	docker run \
	-i \
	--rm alpine true \|\| exit 1
	docker run --runtime=runsc \
	-i \
	--rm alpine true \|\| exit 2
	- name: build docker images
	run: \|
	cd docker-build
	./build-all.sh
	- name: leiningen tests
	run: \|
	export LEIN_HOME="/home/runner/work"
	curl --fail -o /home/runner/work/lein https://raw.githubusercontent.com/technomancy/leiningen/stable/bin/lein
	chmod a+x /home/runner/work/lein
	/home/runner/work/lein test :all

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