Update maven-site-plugin and maven-project-info-reports-plugin

diff --git a/pom.xml b/pom.xml
index 2042c28..69e1e74 100644
--- a/pom.xml
+++ b/pom.xml
@@ -75,6 +75,16 @@
             </excludes>
           </configuration>
         </plugin>
+        <plugin>
+          <groupId>org.apache.maven.plugins</groupId>
+          <artifactId>maven-site-plugin</artifactId>
+          <version>3.9.1</version>
+        </plugin>
+        <plugin>
+          <groupId>org.apache.maven.plugins</groupId>
+          <artifactId>maven-project-info-reports-plugin</artifactId>
+          <version>3.1.1</version>
+        </plugin>
       </plugins>
     </pluginManagement>
   </build>