Upgrade GAE Java version from 2.0.20 to 2.0.21 and prepare next versi… #7

	# Copyright 2021 Google LLC
	#
	# 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
	#
	# https://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.

	# This workflow will build a Java project with Maven
	# For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-maven

	name: CI with Maven

	on:
	pull_request:
	branches:
	- main
	push:
	branches-ignore:
	- 'dependabot/**'

	jobs:
	build:

	strategy:
	matrix:
	os: [ubuntu-latest]
	java: [17, 21]
	jdk: [temurin]
	fail-fast: false

	runs-on: ${{ matrix.os }}

	steps:
	- name: Checkout
	uses: actions/checkout@v3

	- name: Set up JDK
	uses: actions/setup-java@v3
	with:
	distribution: ${{ matrix.jdk }}
	java-version: ${{ matrix.java }}
	cache: 'maven'

	- name: Build with Maven
	run: \|
	./mvnw clean install -B -q
	echo "done"

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