chore(deps): bump maven-site-plugin from 3.8.2 to 3.12.1

Bumps [maven-site-plugin](https://github.com/apache/maven-site-plugin) from 3.8.2 to 3.12.1.
- [Release notes](https://github.com/apache/maven-site-plugin/releases)
- [Commits](apache/maven-site-plugin@maven-site-plugin-3.8.2...maven-site-plugin-3.12.1)

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

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

Author: dependabot[bot]

module/pom.xml

@@ -52,7 +52,7 @@
     <maven.pmd.plugin>3.16.0</maven.pmd.plugin>
     <maven.jacoco.plugin>0.8.5</maven.jacoco.plugin>
     <maven.gpg.plugin>1.6</maven.gpg.plugin>
-    <maven.site.plugin>3.8.2</maven.site.plugin>
+    <maven.site.plugin>3.12.1</maven.site.plugin>
     <maven.doxia.plugin>[1.9,)</maven.doxia.plugin>
     <maven.project.info.reports.plugin>2.9</maven.project.info.reports.plugin>
     <maven.changelog.plugin>2.3</maven.changelog.plugin>