Upgrade hiccup from 1.0.5 to 2.0.0

[korey-ai-assistant]

Description

Upgrade the hiccup dependency from version 1.0.5 to 2.0.0 to stay current with the library and take advantage of improvements.

Changelog: https://github.com/weavejester/hiccup/blob/master/CHANGELOG.md

Changes Required

• Update hiccup dependency from 1.0.5 to 2.0.0
• Remove deprecated usage of hiccup.core
• Remove clojars.web.safe-hiccup namespace (should no longer be needed)

Acceptance Criteria

• Hiccup dependency updated to 2.0.0 in project dependencies
• All deprecated hiccup.core usage replaced with new API
• clojars.web.safe-hiccup namespace removed
• All tests pass after upgrade
• No breaking changes to existing functionality
• Verify that security properties previously provided by safe-hiccup are maintained

Notes

Review the changelog carefully for breaking changes and migration guidance. Pay special attention to ensuring that any security features previously provided by the safe-hiccup wrapper are preserved in the migration.

[iwillig]

I am going to give this a go.