Bump version to 3.0.0-beta.2

Author: amolenaar

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
 name = "gaphas"
-version = "3.0.0-beta.1"
+version = "3.0.0-beta.2"
 description="Gaphas is a GTK+ based diagramming widget"
 authors = [
     "Arjan J. Molenaar <[email protected]>",