v0.56.0

What's Changed

• use api keys in e2e tests by @hansent in #1568
• Add Statefulness to Custom Code Blocks by @yeldarby in #1567
• Propagate remote exception to fix missing metadata in Modal execution error by @brunopicinin in #1565
• handle buffer filling / consumption strategy params when passed as str by @grzegorz-roboflow in #1571
• don't auth /model/registry endpoint via api_key on serverless by @hansent in #1570
• fixing memory leak and variable not associated value on PolygonZoneBlock by @digaobarbosa in #1573
• bump version to 0.56.0 by @hansent in #1574
• PolygonzoneBloc refactor by @digaobarbosa in #1576
• Pass countinference to get model artifacts by @grzegorz-roboflow in #1575

Full Changelog: v0.55.2...v0.56.0