Bump mavenVersion from 3.9.6 to 3.9.9

Bumps `mavenVersion` from 3.9.6 to 3.9.9.

Updates `org.apache.maven:maven-plugin-api` from 3.9.6 to 3.9.9
- [Release notes](https://github.com/apache/maven/releases)
- [Commits](apache/maven@maven-3.9.6...maven-3.9.9)

Updates `org.apache.maven:maven-artifact` from 3.9.6 to 3.9.9

Updates `org.apache.maven:maven-core` from 3.9.6 to 3.9.9

Updates `org.apache.maven:maven-model` from 3.9.6 to 3.9.9

Updates `org.apache.maven:maven-compat` from 3.9.6 to 3.9.9
- [Release notes](https://github.com/apache/maven/releases)
- [Commits](apache/maven@maven-3.9.6...maven-3.9.9)

---
updated-dependencies:
- dependency-name: org.apache.maven:maven-plugin-api
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.apache.maven:maven-artifact
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.apache.maven:maven-core
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.apache.maven:maven-model
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.apache.maven:maven-compat
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pom.xml

@@ -72,7 +72,7 @@
 
   <properties>
     <javaVersion>8</javaVersion>
-    <mavenVersion>3.9.6</mavenVersion>
+    <mavenVersion>3.9.9</mavenVersion>
     <!-- Maven bound -->
     <resolverVersion>1.9.18</resolverVersion>
     <!-- Maven bound -->