Replace unsupported XML properties with feature-based security settings

[mholthausen]

Description

This PR improves the XML parser security configuration in OgcXmlUtil by replacing unsupported properties with feature-based settings. The previous configuration attempted to set ACCESS_EXTERNAL_DTD and ACCESS_EXTERNAL_SCHEMA, which were not recognized by the current XML parser, causing errors in certain environments.

Changes

• Removed ACCESS_EXTERNAL_DTD and ACCESS_EXTERNAL_SCHEMA properties due to compatibility issues.
• Enabled FEATURE_SECURE_PROCESSING for safer XML parsing.
• Added feature-based settings to:
  • Disallow DOCTYPE declarations (disallow-doctype-decl)
  • Disable external general entities (external-general-entities)
  • Disable external parameter entities (external-parameter-entities)

@terrestris/devs please review

Related issues or pull requests

Replaces part of the previous PR #931 to handle unsupported XML property errors more effectively

Pull request type

• Bugfix
• Feature
• Dependency updates
• Tests
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no api changes)
• Build related changes
• Documentation content changes
• Other (please describe)

Do you introduce a breaking change?

• Yes
• No

Checklist

• I understand and agree that the changes in this PR will be licensed under the
  Apache Licence Version 2.0.
• I have followed the guidelines for contributing.
• The proposed change fits to the content of the code of conduct.
• I have added or updated tests and documentation, and the test suite passes (run mvn test locally).
• I have added a screenshot/screencast to illustrate the visual output of my update.

[jansule]

Nice!

[github-actions]

🎉 This PR is included in version 21.1.2 🎉

The release is available on:

• v21.1.2
• GitHub release

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