chore: update actions/checkout to v7 and auto-maintain README SHA (#13) #1

	name: Update README SHA reference

	on:
	push:
	branches:
	- main
	paths-ignore:
	- 'README.md'
	- '**.md'
	- 'LICENSE'
	- '.github/FUNDING.yml'

	jobs:
	update-sha:
	name: Update pinned SHA in README
	runs-on: ubuntu-latest
	permissions:
	contents: write
	steps:
	- name: Checkout code
	uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
	with:
	ref: main
	fetch-depth: 2

	- name: Update SHA in README.md
	run: \|
	NEW_SHA="${{ github.sha }}"
	sed -i "s\|ref: [0-9a-f]\{40\}\|ref: ${NEW_SHA}\|g" README.md

	- name: Commit updated README.md
	run: \|
	git config user.name "github-actions[bot]"
	git config user.email "github-actions[bot]@users.noreply.github.com"
	if git diff --quiet README.md; then
	echo "No SHA change detected, skipping commit."
	else
	git add README.md
	git commit -m "chore: update pinned SHA in README to ${{ github.sha }}"
	git push
	fi

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