Bump maven-site-plugin from 3.9.0 to 3.9.1

Bumps [maven-site-plugin](https://github.com/apache/maven-site-plugin) from 3.9.0 to 3.9.1.
- [Release notes](https://github.com/apache/maven-site-plugin/releases)
- [Commits](apache/maven-site-plugin@maven-site-plugin-3.9.0...maven-site-plugin-3.9.1)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-site-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pom.xml

@@ -84,7 +84,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-site-plugin</artifactId>
-				<version>3.9.0</version>
+				<version>3.9.1</version>
 			</plugin>
 
 			<plugin>