v0.5.4-rc.3

What's Changed

• add allowed ngnix support by @RazcoDev in https://github.com/permitio/PDP/pull/166## What's Changed
• add api_keys and other refactors for startup pkg by @RazcoDev in #159
• fluentbit and helm by @EliMoshkovich in #163
• Fix bug in the rebac plugin causing opa to crash when querying authorized_users on a resource instance with multiple grant sources

Full Changelog: 0.5.4-rc.1...0.5.4-rc.3