MOD: Update Python client to databento_dbn 0.8.2

Author: nmacholl

CHANGELOG.md

@@ -1,9 +1,12 @@
 # Changelog
 
-## TBD
+## 0.17.0 - TBD
 
 This release includes improvements to the ergonomics of the clients metadata API, you can read more about the changes [here](https://databento.com/blog/api-improvements-august-2023).
 
+#### Enhancements
+- Upgraded `databento-dbn` to 0.8.2
+
 #### Breaking changes
 - Changed `metadata.list_publishers()` to return a list of publisher details objects
 - Changed `metadata.list_fields(...)` to return a list of field detail objects for a particular schema and encoding