fix(scanner): address -Wswitch-outside-range warnings when char is unsigned #48

	name: CI

	on:
	push:
	branches: [master]
	paths:
	- grammar.js
	- src/**
	- test/**
	- bindings/**
	- binding.gyp
	pull_request:
	paths:
	- grammar.js
	- src/**
	- test/**
	- bindings/**
	- binding.gyp

	concurrency:
	group: ${{github.workflow}}-${{github.ref}}
	cancel-in-progress: true

	jobs:
	test:
	name: Test parsers
	runs-on: ${{matrix.os}}
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-latest, windows-latest, macos-latest]
	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	with:
	submodules: true
	- name: Set up tree-sitter
	uses: tree-sitter/setup-action/cli@v2
	- name: Run tests
	uses: tree-sitter/parser-test-action@v2
	with:
	generate: false
	test-rust: true
	- name: Set up test suite
	shell: bash
	run: \|-
	printf '%s\n' examples/*.yaml > "$RUNNER_TEMP/test-files"
	while read -r file; do
	printf '%s\n' "$file" >> "$RUNNER_TEMP/test-files"
	if [[ -f ${file/in.yaml/error} ]]; then
	printf '%s\n' "$file" >> "$RUNNER_TEMP/invalid-files"
	fi
	done < <(find -L examples/yaml-test-suite/name -name in.yaml)
	- name: Parse test suite
	uses: tree-sitter/parse-action@v4
	with:
	files-list: ${{runner.temp}}/test-files
	invalid-files-list: ${{runner.temp}}/invalid-files

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