Bump library version to 0.0.15

Author: MichaelSchneeberger

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "dataclassabc"
-version = "0.0.14"
+version = "0.0.15"
 description = 'A Python library that allows you to define abstract properties for dataclasses, bridging the gap between abstract base classes (ABCs) and dataclasses.'
 authors = [
   {name="Michael Schneeberger", email="michael.schneeb@hotmail.com"},