ci: add workflow to check if versioning pr exists #3

	name: versioning_pr_exists

	on:
	pull_request:
	types: [opened, edited, reopened, synchronize]

	jobs:
	check-version-pr:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repository
	uses: actions/checkout@v2

	- name: Set up Node.js
	uses: actions/setup-node@v2
	with:
	node-version: "14"

	- name: Check if PR with title chore(version) exists
	uses: actions/github-script@v6
	with:
	github-token: ${{ secrets.PAT }}
	script: \|
	const { data: pullRequests } = await github.rest.pulls.list({
	owner: context.repo.owner,
	repo: context.repo.repo,
	state: 'open',
	per_page: 100
	});

	const existingPR = pullRequests.find(pr => pr.title === 'chore(version): bump version and update changelog');

	if (existingPR) {
	core.setFailed(`Version bump pull request exists. Please merge that pr first to pass the check.: #${existingPR.number}`);
	} else {
	console.log("No version bump pull request found.");
	}

	- name: Fail if PR exists
	if: steps.check-pr.outputs.exists == 'true'
	run: \|
	echo "Version bump pull request exists. Please merge that pr first to pass the check."
	exit 1

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