Update Maven plugins (as shown by Dependabot)

Author: ljacqu

pom.xml

@@ -176,7 +176,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-javadoc-plugin</artifactId>
-                    <version>3.7.0</version>
+                    <version>3.10.0</version>
                 </plugin>
             </plugins>
         </pluginManagement>
@@ -260,7 +260,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-surefire-plugin</artifactId>
-                <version>3.3.0</version>
+                <version>3.5.0</version>
                 <configuration>
                     <!-- Fix java.base opens for new JDK versions -->
                     <!-- Force the right file encoding during unit testing -->
@@ -389,7 +389,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-site-plugin</artifactId>
-                <version>3.12.1</version>
+                <version>3.20.0</version>
             </plugin>
             <!-- Publish coveralls test coverage reports, not included in the build cycle by default -->
             <plugin>