[improve] refactor nest block to improve readability by guard and extract #706

	#
	# Licensed to the Apache Software Foundation (ASF) under one or more
	# contributor license agreements. See the NOTICE file distributed with
	# this work for additional information regarding copyright ownership.
	# The ASF licenses this file to You under the Apache License, Version 2.0
	# (the "License"); you may not use this file except in compliance with
	# the License. You may obtain a copy of the License at
	#
	# http://www.apache.org/licenses/LICENSE-2.0
	#
	# Unless required by applicable law or agreed to in writing, software
	# distributed under the License is distributed on an "AS IS" BASIS,
	# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	# See the License for the specific language governing permissions and
	# limitations under the License.
	#

	name: "Pull Request Robot"
	on:
	- pull_request_target

	jobs:
	labeler:
	permissions:
	contents: read
	pull-requests: write
	runs-on: ubuntu-latest
	steps:
	- name: Label pull request
	uses: actions/labeler@v5
	with:
	repo-token: "${{ secrets.GITHUB_TOKEN }}"
	configuration-path: .github/labeler.yml
	sync-labels: true

Provide feedback