Add `Deque::{swap, swap_unchecked, swap_remove_front, swap_remove_back}` #611

	# Check that the changelog is updated for all changes.
	#
	# This is only run for PRs.

	on:
	pull_request:
	# opened, reopened, synchronize are the default types for pull_request.
	# labeled, unlabeled ensure this check is also run if a label is added or removed.
	types: [opened, reopened, labeled, unlabeled, synchronize]

	name: Changelog

	jobs:
	changelog:
	name: Changelog
	runs-on: ubuntu-latest
	steps:
	- name: Checkout sources
	uses: actions/checkout@v4

	- name: Check that changelog updated
	uses: dangoslen/changelog-enforcer@v3
	with:
	changeLogPath: CHANGELOG.md
	skipLabels: 'needs-changelog, skip-changelog'
	missingUpdateErrorMessage: 'Please add a changelog entry in the CHANGELOG.md file.'
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

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