ci: add publish workflow #3

	name: Publish to pub.dev

	on:
	push:
	tags:
	- '[0-9]+.[0-9]+.[0-9]+*'

	# based on dart-lang/setup-dart/.github/workflows/publish.yml@v1
	# custimized for flutter

	jobs:
	publish:
	name: 'Publish to pub.dev'
	permissions:
	id-token: write # Required for authentication using OIDC
	runs-on: ubuntu-latest
	steps:
	# Checkout repository
	- uses: actions/checkout@v4

	# Setup Dart SDK with JWT token
	- uses: dart-lang/setup-dart@v1
	with:
	sdk: stable

	- name: Setup Flutter
	uses: subosito/flutter-action@v2
	with:
	channel: stable

	# Minimal package setup and dry run checks.
	- name: Install dependencies
	run: flutter pub get
	- name: Publish - dry run
	run: dart pub publish --dry-run

	# Publishing...
	- name: Publish to pub.dev
	run: dart pub publish -f

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