release(pyproject): bump version to 2.0.15 on pypi

- resolve job.wait on job cancel
- ensure setting job.modules to a (str) works
- ensure bytes objects are serialized
- add tests for serialization / deserialization

Author: wiwichips

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "dcp"
-version = "2.0.14"
+version = "2.0.15"
 description = "A DCP SDK"
 authors = [
     "Distributive <[email protected]>",