Bump actions/download-artifact from 2 to 4.1.7 in /.github/workflows #2

	# 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: Apache Netbeans

	on:
	push:
	pull_request:

	jobs:
	commit-validation:
	name: Commit-validation (on Linux)
	runs-on: ubuntu-18.04
	env:
	OPTS: -Dcluster.config=release -Dtest-unit-sys-prop.ignore.random.failures=true
	steps:
	- name: Checkout
	uses: actions/checkout@v2

	- name: Caching dependencies
	uses: actions/cache@v2
	with:
	path: ~/.hgexternalcache
	key: ${{ runner.os }}-${{ hashFiles('**/external/binaries-list') }}
	restore-keys: ${{ runner.os }}-

	- name: Clean
	run: ant -Dcluster.config=release clean

	- name: Build
	run: ant -Dcluster.config=release build

	- name: Validate consistency and basic tests
	run: ant -Dcluster.config=release commit-validation

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