Release v0.9.9

Author: davidbrochart

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "ypywidgets"
-version = "0.9.8"
+version = "0.9.9"
 description = "Y-based Jupyter widgets for Python"
 readme = "README.md"
 license = "MIT"