Add an implementation of the algorithm to find the center of a tree. #1524

	---
	name: upload_coverage_report

	# yamllint disable-line rule:truthy
	on:
	workflow_dispatch:
	push:
	branches:
	- master
	pull_request:

	permissions:
	contents: read

	env:
	REPORT_NAME: "lcov.info"

	jobs:
	upload_coverage_report:
	runs-on: ubuntu-latest
	env:
	CARGO_TERM_COLOR: always
	steps:
	- uses: actions/checkout@v6
	- uses: taiki-e/install-action@cargo-llvm-cov
	- name: Generate code coverage
	run: >
	cargo llvm-cov
	--all-features
	--workspace
	--lcov
	--output-path "${{ env.REPORT_NAME }}"
	- name: Upload coverage to codecov (tokenless)
	if: >-
	github.event_name == 'pull_request' &&
	github.event.pull_request.head.repo.full_name != github.repository
	uses: codecov/codecov-action@v5
	with:
	files: "${{ env.REPORT_NAME }}"
	fail_ci_if_error: true
	- name: Upload coverage to codecov (with token)
	if: "! github.event.pull_request.head.repo.fork "
	uses: codecov/codecov-action@v5
	with:
	token: ${{ secrets.CODECOV_TOKEN }}
	files: "${{ env.REPORT_NAME }}"
	fail_ci_if_error: true
	...

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