Upgrade Guava to 32.1.3-jre (fix CVE-2023-2976, CVE-2020-8908)

[guptas6est]

Summary

This PR upgrades the Guava dependency in zookeeper-contrib-zooinspector
from 30.0-jre to 32.1.3-jre.

Motivation

The upgrade addresses the following known vulnerabilities:

• CVE-2023-2976: Insecure temporary directory creation
• CVE-2020-8908: Local information disclosure via temporary directory
  created with unsafe permissions

Details

• Updated <guava.version> property in zookeeper-contrib-zooinspector/pom.xml
  to 32.1.3-jre.
• Ensures continued compatibility with the project while remediating the
  reported CVEs.
• Verified build and tests pass successfully after the update.