refactor: OpenAPI-based generator and Maven Plugin Java 8 compatible #8371

	#
	# Copyright (C) 2015 Red Hat, Inc.
	#
	# Licensed 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: JavaDocs

	env:
	MAVEN_ARGS: -B -C -V -ntp -Dhttp.keepAlive=false -e

	on:
	push:
	branches:
	- main
	pull_request:
	paths-ignore:
	- 'doc/**'
	- 'ide-config/**'
	- '**.md'

	concurrency:
	# Only run once for latest commit per ref and cancel other (previous) runs.
	group: ci-docs-kubernetes-client-${{ github.ref }}
	cancel-in-progress: true

	permissions:
	contents: read

	jobs:
	javadoc:
	name: JavaDocs
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- name: Setup Java 8
	uses: actions/setup-java@v4
	with:
	java-version: '8'
	distribution: 'temurin'
	- name: Check Java Docs
	run: ./mvnw ${MAVEN_ARGS} clean install javadoc:jar -DskipTests -Pjavadoc-test

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