fix: make revision parameter optional #4

	name: Release
	on:
	workflow_dispatch:
	push:
	branches:
	- main

	jobs:
	build:
	runs-on: ubuntu-latest
	permissions:
	contents: write
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	with:
	fetch-depth: '0'

	- name: Conventional Changelog Action
	id: changelog
	uses: TriPSs/conventional-changelog-action@v5
	with:
	github-token: ${{ secrets.github_token }}
	input-file: 'CHANGELOG.md'
	preset: 'conventionalcommits'
	version-file: './version.json'
	skip-git-pull: 'true'
	skip-on-empty: 'false'

	- name: Create Release
	uses: actions/create-release@v1
	if: ${{ steps.changelog.outputs.skipped == 'false' }}
	env:
	GITHUB_TOKEN: ${{ secrets.github_token }}
	with:
	tag_name: ${{ steps.changelog.outputs.tag }}
	release_name: ${{ steps.changelog.outputs.tag }}
	body: ${{ steps.changelog.outputs.clean_changelog }}

	- name: Update SemVer tag
	uses: zyactions/update-semver@v1
	if: ${{ steps.changelog.outputs.skipped == 'false' }}
	with:
	tag: ${{ steps.changelog.outputs.tag }}

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