Release v0.0.4

Highlights

• New RayRunLauncher- a RunLauncher which submits Dagster runs as isolated Ray jobs (in cluster mode) to a Ray cluster.
• New ray_executor - an Executor which submits individual Dagster steps as isolated Ray jobs (in cluster mode) to a Ray cluster.

What's Changed

• ⚡ ♻️ switch to uv by @danielgafni in #9
• 🚀 add ray_executor by @danielgafni in #16
• 🚀 add RayRunLauncher by @danielgafni in #23

Full Changelog: v0.0.3...v0.0.4