Bump version to 0.5.0.9000

Author: jcheng5

CHANGELOG.md

@@ -6,6 +6,15 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 
+## [UNRELEASED]
+
+### New features
+
+### Bug fixes
+
+### Other changes
+
+
 ## [0.5.0] - 2023-08-01
 
 ### New features

shiny/__init__.py

@@ -1,6 +1,6 @@
 """A package for building reactive web applications."""
 
-__version__ = "0.5.0"
+__version__ = "0.5.0.9000"
 
 from ._shinyenv import is_pyodide as _is_pyodide