Dazl

Pre-release version of dazl 8 that contains the new connection API, but none of the compatibility shims.

What's Changed
* python: Add support for sending `deduplication_duration` and `deduplication_offset` on command submissions.

**Full Changelog**: https://github.com/digital-asset/dazl-client/compare/v7.11.0...v7.12.0

What's Changed
* python: Add support for interface exercises. by da-tanabe in https://github.com/digital-asset/dazl-client/pull/402


**Full Changelog**: https://github.com/digital-asset/dazl-client/compare/v7.10.4...v7.11.0

What's Changed
* python: Change the default case of the default application ID to be consistent across the codebase. by da-tanabe in https://github.com/digital-asset/dazl-client/pull/394


**Full Changelog**: https://github.com/digital-asset/dazl-client/compare/v7.10.3...v7.10.4

What's Changed
* python: Better support for interfaces. by da-tanabe in https://github.com/digital-asset/dazl-client/pull/385


**Full Changelog**: https://github.com/digital-asset/dazl-client/compare/v7.10.2...v7.10.3

python: More support for DARs that contain interfaces. by da-tanabe in https://github.com/digital-asset/dazl-client/pull/382

Full Changelog: https://github.com/digital-asset/dazl-client/compare/v7.10.1 ...v7.10.2