update docs for 3.0 release #2805

	name: Changelog

	on:
	pull_request:
	types: [labeled, unlabeled, opened, synchronize, reopened]

	# Only cancel in-progress jobs or runs for the current workflow
	# This cancels the already triggered workflows for a specific PR without canceling
	# other instances of this workflow (other PRs, scheduled triggers, etc) when something
	# within that PR re-triggers this CI
	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	changelog:
	name: Confirm changelog entry
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- name: Grep for PR number in CHANGES.rst
	run: grep -P '\[[^\]]*#${{github.event.number}}[,\]]' CHANGES.rst
	if: ${{ !contains(github.event.pull_request.labels.*.name, 'no-changelog-entry-needed') }}

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