What changes were proposed in this pull request?

This PR upgrades Maven to 3.9.15.

Why are the changes needed?

To use the latest Maven version.

• https://maven.apache.org/docs/3.9.15/release-notes.html
  • Bump org.codehaus.plexus:plexus-utils from 3.6.0 to 3.6.1 maven#11876
    • Fix Zip Slip vulnerability in archive extraction (#296) codehaus-plexus/plexus-utils#304
  • Bump org.fusesource.jansi:jansi from 2.4.2 to 2.4.3 maven#11865
    • Fix native library loading failure due to buffer comparison bug fusesource/jansi#318
    • No color output in Fedora and JDK21 fusesource/jansi#317
• https://github.com/apache/maven/releases/tag/maven-3.9.15

Does this PR introduce any user-facing change?

No.

How was this patch tested?

Pass the CIs and check the log.

• https://github.com/dongjoon-hyun/spark/actions/runs/24586452868/job/71897297495

Using `mvn` from path: /home/runner/work/spark/spark/build/apache-maven-3.9.15/bin/mvn

Was this patch authored or co-authored using generative AI tooling?

Generated-by: Claude Code (claude-opus-4-7)