rewrite OpenHC32Boot #16

	name: Build

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	jobs:
	# build all environments
	build:
	runs-on: ubuntu-latest

	# build all environments in a matrix
	strategy:
	fail-fast: false
	matrix:
	environment: [ "HC32F460C", "HC32F460E" ]

	steps:
	# checkout the repository
	- uses: actions/checkout@v4

	# enable caching of pip and platformio
	- uses: actions/cache@v4
	with:
	path: \|
	~/.cache/pip
	~/.platformio/.cache
	key: ${{ runner.os }}-pio

	# install python
	- uses: actions/setup-python@v5
	with:
	python-version: '3.9'

	# install platformio
	- name: Install PlatformIO core
	run: pip install --upgrade platformio

	# print the build environment name
	- name: Print matrix value for 'environment'
	run: echo ${{ matrix.environment }}

	# build the environment
	- name: Build environment
	run: pio run --environment ${{ matrix.environment }}

	# dummy job after all environments were build
	all_build:
	runs-on: ubuntu-latest
	needs: [build]
	if: always()
	steps:
	- name: Decide whether the needed jobs succeeded or failed
	uses: re-actors/alls-green@release/v1
	with:
	jobs: ${{ toJSON(needs) }}

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