project upgrade

- upgrade to spring-boot 3.0.4;
- upgrade to springdoc-openapi 2.0.4;
- upgrade to apache-maven 3.8.7 and maven-wrapper 3.1.1;
- updade project-diagram and README.

Author: Ivan Franchin

.mvn/wrapper/maven-wrapper.jar

@@ -1,2 +1,18 @@
-distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.8.6/apache-maven-3.8.6-bin.zip
-wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.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
+#
+#   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.
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.8.7/apache-maven-3.8.7-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.1/maven-wrapper-3.1.1.jar

.mvn/wrapper/maven-wrapper.properties

@@ -4,7 +4,7 @@ The goal of this project is to implement two https://docs.spring.io/spring-boot/
 
 == Project Diagram
 
-image::./documentation/project-diagram.png[]
+image::./documentation/project-diagram.jpeg[]
 
 == Applications
 

README.adoc

@@ -16,7 +16,7 @@
     <properties>
         <org.mapstruct.version>1.5.3.Final</org.mapstruct.version>
         <lombok-mapstruct-binding.version>0.2.0</lombok-mapstruct-binding.version>
-        <springdoc-openapi.version>2.0.2</springdoc-openapi.version>
+        <springdoc-openapi.version>2.0.4</springdoc-openapi.version>
     </properties>
 
     <dependencies>