Replace SharpCompress with System.Formats.Tar in tests #24

	# Workflow: Label Merged PRs with "needs-backport"
	#
	# This workflow automatically adds a "needs-backport" label to all PRs
	# that are merged into development branches. This helps maintainers track which
	# changes need to be backported to main or release/ branches.
	#
	name: Label merged PRs for backport

	on:
	# pull_request_target runs workflow code from the base branch with write permissions,
	# while pull_request runs code from the PR branch with read-only permissions for forks.
	# Use pull_request_target here to get write access for labeling fork PRs.
	# Safe because this workflow only uses trusted inputs (PR number) and doesn't
	# checkout or execute PR code.
	pull_request_target:
	types:
	# To label merged PRs, trigger on all closed PRs and check for merged
	# status later, in the job condition
	- closed
	branches:
	- nightly

	permissions:
	# Required to add labels to pull requests
	pull-requests: write

	jobs:
	add-backport-label:
	# Only run if the PR was actually merged (not just closed)
	if: github.event.pull_request.merged == true
	runs-on: ubuntu-latest
	steps:
	# No checkout needed
	- name: Add needs-backport label
	# Use GitHub CLI (gh) which is pre-installed on GitHub-hosted runners
	env:
	GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	# Provides repository context for gh CLI commands
	GH_REPO: ${{ github.repository }}
	PR_NUMBER: ${{ github.event.pull_request.number }}
	run: \|
	gh pr edit "$PR_NUMBER" --add-label "needs-backport"
	echo "Successfully labeled PR #$PR_NUMBER"

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