Bump maven-site-plugin from 3.8.2 to 3.9.0

Bumps [maven-site-plugin](https://github.com/apache/maven-site-plugin) from 3.8.2 to 3.9.0.
- [Release notes](https://github.com/apache/maven-site-plugin/releases)
- [Commits](apache/maven-site-plugin@maven-site-plugin-3.8.2...maven-site-plugin-3.9.0)

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

pom.xml

@@ -207,7 +207,7 @@
 				<plugin>
 					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-site-plugin</artifactId>
-					<version>3.8.2</version>
+					<version>3.9.0</version>
 				</plugin>
 				<plugin>
 					<groupId>org.apache.maven.plugins</groupId>