Bump maven-site-plugin from 4.0.0-M8 to 4.0.0-M9 (#1666)

Bumps [maven-site-plugin](https://github.com/apache/maven-site-plugin) from 4.0.0-M8 to 4.0.0-M9.
- [Release notes](https://github.com/apache/maven-site-plugin/releases)
- [Commits](https://github.com/apache/maven-site-plugin/compare/maven-site-plugin-4.0.0-M8...maven-site-plugin-4.0.0-M9)

---
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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/pom.xml b/pom.xml
index 07dc0db13..03d62c679 100644
--- a/pom.xml
+++ b/pom.xml
@@ -384,7 +384,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-site-plugin</artifactId>
-          <version>4.0.0-M8</version>
+          <version>4.0.0-M9</version>
           <inherited>false</inherited>
         </plugin>
         <plugin>