ci/update-memcpy: update `checkout` and `create-pull-request` actions #41

	name: build
	on: [push, pull_request]
	jobs:
	linux:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	cc: [gcc, clang]
	build_type: [Release, Debug]
	steps:
	- uses: actions/checkout@v2
	- name: Configure libmemcpy
	env:
	CC: /usr/bin/${{ matrix.cc }}
	run: \|
	mkdir build
	cd build
	cmake -DCMAKE_BUILD_TYPE=${{ matrix.build_type }} ..
	- name: Build libmemcpy
	run: \|
	cd build
	make -j$(nproc)
	- name: Build examples
	run: \|
	cd build
	make -j$(nproc) examples
	- name: Test detect
	run: ./build/examples/detect
	- name: Run benchmark
	run: ./build/examples/bench

	windows-cross:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	build_type: [Release, Debug]
	steps:
	- uses: actions/checkout@v2
	- name: Install Windows cross-compile dependencies
	run: \|
	sudo apt-get install gcc-mingw-w64-x86-64
	- name: Configure libmemcpy
	run: \|
	mkdir build
	cd build
	cmake \
	-DCMAKE_TOOLCHAIN_FILE=../toolchain-mingw64.cmake \
	-DCMAKE_BUILD_TYPE=${{ matrix.build_type }} \
	..
	- name: Build libmemcpy
	run: \|
	cd build
	make -j$(nproc)
	- name: Build examples
	run: \|
	cd build
	make -j$(nproc) examples

	windows-native:
	runs-on: windows-latest
	steps:
	- uses: actions/checkout@v2
	- name: Configure libmemcpy
	run: \|
	mkdir build
	cd build
	cmake -G "MinGW Makefiles" ..
	- name: Build libmemcpy
	run: \|
	cd build
	mingw32-make "-j$([Environment]::ProcessorCount)"
	- name: Build examples
	run: \|
	cd build
	mingw32-make "-j$([Environment]::ProcessorCount)" examples
	- name: Test detect
	run: build\examples\detect
	- name: Run benchmark
	run: build\examples\bench

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