Use dev version number

Author: jcheng5

CHANGELOG.md

@@ -5,6 +5,15 @@ All notable changes to Shiny for Python will be documented in this file.
 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
+
+
 ## [0.2.8] - 2022-10-20
 
 ### Bug fixes

shiny/__init__.py

@@ -1,6 +1,6 @@
 """A package for building reactive web applications."""
 
-__version__ = "0.2.8"
+__version__ = "0.2.8.9000"
 
 from ._shinyenv import is_pyodide as _is_pyodide