Merge pull request #834 from gaphor/release-4.1.1

Bump version to 4.1.1

Author: amolenaar

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "gaphas"
-version = "4.0.0"
+version = "4.1.1"
 description="Gaphas is a GTK diagramming widget"
 authors = [
     "Arjan J. Molenaar <gaphor@gmail.com>",