v0.41.0-rc.6
[v0.41.0-rc.6](https://github.com/ash-project/ash_postgres/compare/v0.41.0-rc.5...v0.41.0-rc.6) (2021-09-26) Bug Fixes: * remove unused default value * use proper identity names for polymorphic resources * set identity names propertly for polymorphic resources * handle nil values in snapshots better * remove unused field from snapshot parsing Improvements: * support `custom_indexes`