change github action ubuntu version 18.04 -> latest #51

	name: CodeCov

	on: [pull_request]

	jobs:
	ubuntu-llvm-code-cov:
	runs-on: ubuntu-latest
	env:
	CMAKE_FLAGS: "-DSERDEPP_USE_NLOHMANN_JSON=ON -DSERDEPP_USE_TOML11=ON -DSERDEPP_USE_YAML-CPP=ON -DSERDEPP_USE_RAPIDJSON=ON -DSERDEPP_USE_FMT=ON -DSERDEPP_BUILD_TESTING=ON -DSERDEPP_USE_CATCH2=ON"
	strategy:
	matrix:
	build-type: ["Debug"]
	clang-version: ["8"]
	steps:
	- name: ccache
	uses: hendrikmuhs/ccache-action@v1
	- name: Basic Setting
	run: \|
	sudo apt-get update
	sudo apt-get install -yq build-essential cmake
	- name: Install LLVM
	run: \|
	wget https://apt.llvm.org/llvm.sh
	chmod +x ./llvm.sh
	sudo ./llvm.sh ${{matrix.clang-version}}
	- name: Compiler Setting
	run: \|
	echo "CC=clang-${{matrix.clang-version}}" >> $GITHUB_ENV
	echo "CXX=clang++-${{matrix.clang-version}}" >> $GITHUB_ENV
	- name: Clone Repository
	uses: actions/checkout@master
	with:
	submodules: true
	- name: CMake build
	run: \|
	cmake -Bbuild -DCMAKE_BUILD_TYPE=${{matrix.build-type}} ${{env.CMAKE_FLAGS}} .
	cd build
	cmake --build . --config ${{matrix.build-type}}
	- name: Generate Coverage Report
	run: \|
	cd build/${{matrix.build-type}}
	./unittest
	llvm-profdata-${{matrix.clang-version}} merge -sparse default.profraw -o default.profdata
	llvm-cov-${{matrix.clang-version}} export ./unittest --instr-profile default.profdata -format=lcov >> lcov.info
	- name: Upload coverage to Codecov
	uses: codecov/codecov-action@v2
	with:
	directory: ./build/${{matrix.build-type}}
	files: lcov.info
	flags: unittest
	fail_ci_if_error: true
	verbose: true

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