Update CHANGELOG.json for v0.11.64 [skip ci]

[github-actions]

Auto-generated: consolidates unreleased entries into v0.11.64 and clears the unreleased array.

[greptile-apps]

Greptile Summary

This auto-generated PR correctly consolidates the changelog for version 0.11.64, moving two unreleased entries (Rewind timeline improvements and Advanced settings consolidation) into a new release object dated 2026-03-04, and clearing the unreleased array as expected.

Confidence Score: 5/5

• This PR is safe to merge with no risk
• Auto-generated changelog consolidation that correctly moves unreleased entries to version 0.11.64, uses the correct date format, maintains valid JSON structure, and follows the expected changelog pattern with no logical errors or bugs
• No files require special attention

Important Files Changed

Filename	Overview
desktop/CHANGELOG.json	Correctly consolidates two unreleased changelog entries into version 0.11.64 with today's date and clears the unreleased array

_{Last reviewed commit: 169e758}