What's Changed
* fix: set buf capacity for witness, settings, proof by alexander-camuto in https://github.com/zkonduit/ezkl/pull/717
* refactor: selectable key ser by alexander-camuto in https://github.com/zkonduit/ezkl/pull/718
* fix: buffer data read and writes by alexander-camuto in https://github.com/zkonduit/ezkl/pull/719
* feat: parse command `ast` into flag strings by alexander-camuto in https://github.com/zkonduit/ezkl/pull/720
* fix: rm optional bool flags by alexander-camuto in https://github.com/zkonduit/ezkl/pull/722
**Full Changelog**: https://github.com/zkonduit/ezkl/compare/v8.3.0...v8.4.1