RAT-440: Upgrade Doxia to 2.0.0 to fix CVEs: CVE-2025-48924, CVE-2020-10683, CVE-2018-1000632, CVE-2020-13936 and CVE-2020-13959

[guptas6est]

Summary

This PR upgrades Apache Doxia dependencies to version 2.0.0 to remediate several security vulnerabilities and improve the robustness of site report generation.

Fixed CVEs

• CVE-2025-48924
• CVE-2020-10683
• CVE-2018-1000632
• CVE-2020-13936
• CVE-2020-13959

Changes Made

• Bumped Doxia-related dependencies to 2.0.0
• Updated RatReportMojo.java to support the new xhtml5 parser and context structure in Doxia 2

Validation

• Build and tests pass