Fix version parsing when build number is not defined #21

	# Continuous Deployment: Publish Package to pub.dev
	name: CD Publish

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

	# Modify the default permissions granted to GITHUB_TOKEN
	permissions:
	contents: write
	id-token: write
	pull-requests: write

	jobs:
	Publish:
	name: publish
	runs-on: ubuntu-latest

	steps:
	- name: Checkout Repository
	uses: actions/checkout@v4

	- uses: subosito/flutter-action@v2
	with:
	channel: 'stable'
	flutter-version: 3.24.3

	- name: Get Id Token
	uses: actions/github-script@v6
	with:
	script: \|
	let pub_token = await core.getIDToken('https://pub.dev')
	core.exportVariable('PUB_TOKEN', pub_token)

	- name: Authenticate
	run: flutter pub pub token add https://pub.dev --env-var PUB_TOKEN

	- name: Install dependencies
	run: flutter pub get

	- name: Dry Run
	run: flutter pub publish --dry-run

	- name: Publish
	run: flutter pub publish --force

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