Implement `latest_major` and `lastest_minor` tag for docker init container #1674

	name: Add milestone to merged pull requests
	on:
	pull_request:
	types: [closed]

	jobs:
	add_milestone:
	runs-on: ubuntu-latest
	if: github.event.pull_request.merged == true && github.event.pull_request.milestone == null
	steps:
	- name: Checkout code
	# Checks out the branch that the pull request is merged into
	uses: actions/checkout@v3
	with:
	ref: ${{ github.event.pull_request.base.ref }}

	- name: Get major version from gemspec
	# Parse the gemspec and return the major version
	id: version
	run: \|
	echo "::set-output name=version::$(find . -name *.gemspec \| ruby -ne 'puts Gem::Specification.load($_.chomp).version.to_s.split(".").first')"

	- name: Get project milestones
	id: milestones
	uses: actions/github-script@v7
	with:
	github-token: ${{secrets.GITHUB_TOKEN}}
	script: \|
	const milestones = await github.rest.issues.listMilestones({
	owner: context.repo.owner,
	repo: context.repo.repo,
	state: 'open'
	})
	return milestones.data

	- name: Update Pull Request
	# Update the merged pull request with the milestone starts with the major version
	uses: actions/github-script@v7
	with:
	github-token: ${{secrets.GITHUB_TOKEN}}
	script: \|
	const milestones = ${{steps.milestones.outputs.result}}
	const majorVersion = ${{steps.version.outputs.version}}
	const milestone = milestones.find(m => m.title.startsWith(majorVersion))

	if (milestone) {
	await github.rest.issues.update({
	owner: context.repo.owner,
	repo: context.repo.repo,
	issue_number: ${{ github.event.pull_request.number }},
	milestone: milestone.number
	})
	}

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