build(deps): bump org.apache.maven.plugins:maven-site-plugin (#700)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

maven/pom.xml

@@ -61,7 +61,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-site-plugin</artifactId>
-          <version>3.12.1</version>
+          <version>3.20.0</version>
         </plugin>
       </plugins>
     </pluginManagement>