2.20.4: We Held a Funeral for the Bugs. No One Came

Bug Fixes 🐞

• Fix prefect server start for Windows machines by @desertaxle in https://github.com/PrefectHQ/prefect/pull/15104
• ensure on_failure hook runs upon parameter validation error by @zzstoatzz in https://github.com/PrefectHQ/prefect/pull/15128

Integrations & Dependencies 🤝

• backport prefect-kubernetes fix by @zzstoatzz in https://github.com/PrefectHQ/prefect/pull/15095

Full Changelog: https://github.com/PrefectHQ/prefect/compare/2.20.3...2.20.4