Release 24.21.2

What's Changed

Improvements

• Update Identity Resolution External IDs by @samkcrespo in #6433

Knowledge Centered Support

• Update index.md by @dineshraj-arunmozhi in #6224
• Add info about /debug endpoint by @spencerattick in #6590
• Update data-lakes-manual-setup.md by @dineshraj-arunmozhi in #6583

Other Updates

• Add slug overrride for moloco by @tcgilbert in #6586

Full Changelog: 24.21.1...24.21.2