v0.5.4

Full Changelog: https://github.com/elithrar/llm-cloudflare/compare/0.5.2..0.5.4

• Adds support for WorkersAI model @cf/meta/llama-3.3-70b-instruct-fp8-fast
• Updates llm to 0.19.1 - https://llm.datasette.io/en/stable/changelog.html