v0.9.3

Patch release with fixes for Llama and Mistral saving.

What's Changed

• Fix saving bug for untied weights with keras 3.2 by @mattdangerw in #1568
• Version bump for dev release by @mattdangerw in #1569
• Version bump 0.9.3 by @mattdangerw in #1572

Full Changelog: v0.9.2...v0.9.3