Update dependencies to latest available versions.

Author: wrandelshofer

README.md

@@ -371,7 +371,7 @@ on the same computer:
 
 This project requires **at least** the items below to build it from source:
 
-- Maven 3.8.6
+- Maven 3.9.8
 - OpenJDK SE 22
 
 This project contains optimised code for various JDK versions.

pom.xml

@@ -74,7 +74,6 @@
   </properties>
 
   <build>
-
     <pluginManagement>
       <plugins>
         <plugin>
@@ -142,15 +141,18 @@
           <artifactId>flatten-maven-plugin</artifactId>
           <version>1.6.0</version>
         </plugin>
+        <plugin>
+          <groupId>org.apache.maven.plugins</groupId>
+          <artifactId>maven-enforcer-plugin</artifactId>
+        </plugin>
       </plugins>
     </pluginManagement>
 
     <plugins>
       <plugin>
-        <inherited>true</inherited>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-enforcer-plugin</artifactId>
-        <version>3.4.1</version>
+        <version>3.5.0</version>
         <executions>
           <execution>
             <id>enforce-maven-3</id>
@@ -160,15 +162,14 @@
             <configuration>
               <rules>
                 <requireMavenVersion>
-                  <version>3.8.6</version>
+                  <version>3.9.9</version>
                 </requireMavenVersion>
               </rules>
               <fail>true</fail>
             </configuration>
           </execution>
         </executions>
       </plugin>
-
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-surefire-plugin</artifactId>
@@ -381,7 +382,7 @@
     <dependency>
       <groupId>org.junit.jupiter</groupId>
       <artifactId>junit-jupiter</artifactId>
-      <version>5.11.0-M2</version>
+      <version>5.11.0</version>
       <scope>test</scope>
     </dependency>
     <dependency>