Bump org.apache.maven.plugins:maven-site-plugin

Bumps [org.apache.maven.plugins:maven-site-plugin](https://github.com/apache/maven-site-plugin) from 4.0.0-M15 to 4.0.0-M16.
- [Release notes](https://github.com/apache/maven-site-plugin/releases)
- [Commits](apache/maven-site-plugin@maven-site-plugin-4.0.0-M15...maven-site-plugin-4.0.0-M16)

---
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] <[email protected]>

pom.xml

@@ -135,7 +135,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-site-plugin</artifactId>
-        <version>4.0.0-M15</version>
+        <version>4.0.0-M16</version>
         <configuration>
           <skip>false</skip>  <!-- This is `true` in parent pom -->
           <skipDeploy>false</skipDeploy>  <!-- This is `true` in parent pom -->