Bump maven.version from 3.9.5 to 3.9.6

Bumps `maven.version` from 3.9.5 to 3.9.6.

Updates `org.apache.maven:maven-plugin-api` from 3.9.5 to 3.9.6
- [Release notes](https://github.com/apache/maven/releases)
- [Commits](apache/maven@maven-3.9.5...maven-3.9.6)

Updates `org.apache.maven:maven-core` from 3.9.5 to 3.9.6
- [Release notes](https://github.com/apache/maven/releases)
- [Commits](apache/maven@maven-3.9.5...maven-3.9.6)

---
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-core
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

pom.xml

@@ -17,7 +17,7 @@
     <java.version>17</java.version>
     <maven.compiler.release>${java.version}</maven.compiler.release>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <maven.version>3.9.5</maven.version>
+    <maven.version>3.9.6</maven.version>
     <junit.version>5.10.1</junit.version>
     <itf.version>0.12.0</itf.version>
     <checkstyle.version>10.12.6</checkstyle.version>