Bump license year #1

	#############################################################################
	# GitHub Action to bump license year
	#
	# Workflow starts every new year.
	#
	#############################################################################
	name: "Bump license year"
	on:
	workflow_dispatch: null
	schedule:
	- cron: "0 0 1 1 *"
	permissions:
	contents: write
	pull-requests: write

	concurrency:
	group: ${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: true

	jobs:
	bump:
	if: github.repository == 'checkstyle/checkstyle'
	name: Bump license year
	runs-on: ubuntu-latest
	steps:
	- name: Checkout the latest code
	uses: actions/checkout@v4

	- name: Set Current Year
	run: \|
	echo "YEAR=$(date +'%Y')" >> "$GITHUB_ENV"

	- name: Modify Files
	run: \|
	./.ci/bump-license-year.sh $(("${{ env.YEAR }}" - 1)) ${{ env.YEAR }} .

	- name: Push commit
	run: \|
	git config user.name 'github-actions[bot]'
	git config user.email 'github-actions[bot]@users.noreply.github.com'
	git commit -am "minor: Bump year to ${{ env.YEAR }}"
	git push

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