ci: add workflow to enforce updates to the changelog #16

	name: "Pull Request Workflow"
	on:
	merge_group:
	pull_request:
	types: [opened, synchronize, reopened, ready_for_review, labeled, unlabeled]

	env:
	PR_URL: https://github.com/Layr-Labs/eigensdk-rs/pull/${{ github.event.number }}

	jobs:
	# Enforces the update of a changelog file on every pull request
	# We only want this for user-visible changes, so we add a few labels
	# for which the check is skipped
	changelog:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- uses: dangoslen/changelog-enforcer@v3
	with:
	skipLabels: changelog-ignore

	- name: Enforce PR URL in CHANGELOG.md
	if: contains(github.event.pull_request.labels.*.name, 'changelog-ignore') == false
	run: git diff CHANGELOG.md \| grep $PR_URL CHANGELOG.md

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