fix: set maximum character level to 20 #21

	name: Build Packages

	on: push

	permissions:
	contents: write # required by `action-gh-release`

	env:
	python-version: "3.12"

	jobs:
	package:
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-22.04, windows-2019, macos-13, macos-14]
	runs-on: ${{ matrix.os }}
	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	with:
	fetch-depth: 0 # required by `git describe`
	- name: Set up Python ${{ env.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ env.python-version }}
	- name: Install APT dependencies
	if: runner.os == 'Linux'
	run: \|
	sudo apt-get update
	sudo apt-get install libsdl2-dev
	- name: Install Python dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install -r requirements.txt
	- name: Run build.py
	run: python build.py
	- name: Upload artifact # upload to GitHub Actions
	uses: actions/upload-artifact@v4
	with:
	name: package-${{ matrix.os }}
	path: dist/.
	retention-days: 7
	compression-level: 0
	if-no-files-found: error
	- name: Upload release # upload to GitHub Releases when a tag is pushed
	if: startsWith(github.ref, 'refs/tags/')
	uses: softprops/action-gh-release@v2
	with:
	files: dist/.
	fail_on_unmatched_files: true

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