chore: Bump version to 0.12.0. [skip ci]

Author: goloroden

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "poetry.core.masonry.api"
 
 [project]
 name = "eventsourcingdb"
-version = "0.11.0"
+version = "0.12.0"
 description = "The official Python client SDK for EventSourcingDB."
 authors = [
 	{ name = "the native web GmbH", email = "[email protected]" }