Merge pull request #53 from remotemobprogramming/java-21

update to Java 21, Spring Boot 3.2.4 and Maven 3.9.6

Author: hollesse

.github/workflows/test.yml

@@ -6,9 +6,9 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - name: Setup Java JDK
-        uses: actions/setup-java@v3.5.1
+        uses: actions/setup-java@v4.2.1
         with:
-          distribution: 'temurin'
-          java-version: '17'
+          distribution: 'zulu'
+          java-version: '21'
       - name: Build & Test
         run: ./mvnw clean verify

.mvn/wrapper/MavenWrapperDownloader.java

@@ -1,2 +1,18 @@
-distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.8.2/apache-maven-3.8.2-bin.zip
-wrapperUrl=https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar
+# 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.
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.6/apache-maven-3.9.6-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar