[#140] Bump Dependencies Versions

- Groovy 2.5.23 (no 3+ because of Jenkins)
- Jacoco 0.8.12
- JUnit 5.11.3
- maven compiler 3.13.0
  - groovy-eclipse-compiler 3.7.1
  - groovy-eclipse-bash 2.5.15-02 (add groovy Plugin-Repo)
- activate unittests with surefire

Author: Marco Bergen

.mvn/wrapper/maven-wrapper.properties

@@ -1,2 +1,19 @@
-distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.3/apache-maven-3.6.3-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.
+wrapperVersion=3.3.2
+distributionType=only-script
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.9/apache-maven-3.9.9-bin.zip

docs/development/development_en.md

@@ -21,3 +21,13 @@ Run
 ```
 
 Then right-click tests in IntelliJ and run.
+
+# Update Maven Version
+
+Use this line to update the mvnw command with your desired version:
+
+```bash
+./mvnw -N wrapper:wrapper -Dmaven=3.9.9
+```
+
+This will change the mvnw-File and the mvnw.cmd-File.