Update inputs description and README.md #711

	name: Flutter

	on:
	push:
	branches: [main, v*]
	pull_request:
	branches: [main, v*]
	schedule:
	# https://crontab.guru/#40_10___*
	- cron: '40 10 * * *'
	workflow_dispatch:

	jobs:
	test-stable:
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	os:
	- ubuntu-latest
	- macos-latest # Apple M1 Silicon
	- macos-13 # Intel Mac
	- windows-latest
	version:
	- latest
	- 3.3.0
	- 3.0.0
	steps:
	- uses: actions/checkout@v4

	- uses: ./
	with:
	channel: stable
	version: ${{ matrix.version }}

	- name: Dart version
	run: dart --version
	- name: Flutter version
	run: flutter --version
	- name: Flutter doctor
	run: flutter doctor

	- name: Run hello world
	run: \|
	echo "main() { print('hello world'); }" > hello.dart
	dart hello.dart

	test-beta:
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	os:
	- ubuntu-latest
	- macos-latest # Apple M1 Silicon
	- macos-13 # Intel Mac
	- windows-latest
	version:
	- latest
	- 3.3.0-0.0.pre
	- 3.1.0
	steps:
	- uses: actions/checkout@v4

	- uses: ./
	with:
	channel: beta
	version: ${{ matrix.version }}

	- name: Dart version
	run: dart --version
	- name: Flutter version
	run: flutter --version
	- name: Flutter doctor
	run: flutter doctor

	- name: Run hello world
	run: \|
	echo "main() { print('hello world'); }" > hello.dart
	dart hello.dart

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