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-M13 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-M13...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] <support@github.com>

Author: dependabot[bot]

pom.xml

@@ -1019,7 +1019,7 @@
                 <!-- Note: This uses the maven-fluido-skin version specified next. The skin is referenced in src/site/site.xml. -->
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-site-plugin</artifactId>
-                <version>4.0.0-M13</version>
+                <version>4.0.0-M16</version>
                 <dependencies>
                     <!-- Explicitly declare these dependencies so the versions plugin and library bots will flag available updates. The fluido-skin plugin is referenced in src/site/site.xml using the same fluido version property. -->
                     <dependency>