ci: update to checkout@v3 #4

	name: Update Badge

	on:
	push:
	branches:
	- main

	jobs:
	update-badge:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repository
	uses: actions/checkout@v3

	- name: Read value from file
	id: read-value
	run: \|
	VALUE=$(cat gym/lifts.txt)
	echo "::set-output name=value::$VALUE"

	- name: Update README.md with the new badge value
	run: \|
	VALUE=${{ steps.read-value.outputs.value }}
	sed -i "s/git_lifts-[^)]*/git_lifts-${VALUE}-blue/" README.md
	git config --global user.name 'github-actions[bot]'
	git config --global user.email 'github-actions[bot]@users.noreply.github.com'
	git add README.md
	git commit -m "docs(ci): update git lift badge value to ${VALUE}"
	git push

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