build(deps): bump maven-site-plugin from 3.8.2 to 3.9.1 (#285)

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

Author: dependabot[bot]

maven/pom.xml

@@ -56,7 +56,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-site-plugin</artifactId>
-          <version>3.8.2</version>
+          <version>3.9.1</version>
         </plugin>
       </plugins>
     </pluginManagement>