BLD: Remove Python version upper-bound

Author: nmacholl

CHANGELOG.md

@@ -1,11 +1,12 @@
 # Changelog
 
-## 0.47.1 - TBD
+## 0.48.0 - TBD
 
 #### Enhancements
 - Added export of `StatusAction` enum from `databento_dbn` to the root `databento` package
 - Added export of `StatusReason` enum from `databento_dbn` to the root `databento` package
 - Added export of `TradingEvent` enum from `databento_dbn` to the root `databento` package
+- Removed upper bound for supported `python` versions; the constraint is now `^3.9`
 
 ## 0.47.0 - 2024-12-17
 

README.md

@@ -1,7 +1,7 @@
 # databento-python
 
 [![test](https://github.com/databento/databento-python/actions/workflows/test.yml/badge.svg?branch=dev)](https://github.com/databento/databento-python/actions/workflows/test.yml)
-![python](https://img.shields.io/badge/python-3.9+-blue.svg)
+![python](https://img.shields.io/pypi/pyversions/databento.svg)
 [![pypi-version](https://img.shields.io/pypi/v/databento)](https://pypi.org/project/databento)
 [![license](https://img.shields.io/github/license/databento/databento-python?color=blue)](./LICENSE)
 [![code-style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)

pyproject.toml

@@ -27,7 +27,7 @@ repository = "https://github.com/databento/databento-python"
 "Bug Tracker" = "https://github.com/databento/databento-python/issues"
 
 [tool.poetry.dependencies]
-python = ">=3.9,<3.14"
+python = "^3.9"
 aiohttp = [
     {version = "^3.8.3", python = "<3.12"},
     {version = "^3.9.0", python = "^3.12"}