docs(docker): Update badge (kedro-org#691)

Signed-off-by: Merel Theisen <merel.theisen@quantumblack.com>

Author: noklam

kedro-docker/README.md

@@ -1,6 +1,6 @@
 # Kedro-Docker
 
-[![Python Version](https://img.shields.io/badge/python-3.8%20%7C%203.9%20%7C%203.10%20%7C%203.11-blue.svg)](https://pypi.org/project/kedro-docker/)
+[![Python Version](https://img.shields.io/badge/python-3.8%20%7C%203.9%20%7C%203.10%20%7C%203.11%20%7C%203.12-blue.svg)](https://pypi.org/project/kedro-docker/)
 [![PyPI version](https://badge.fury.io/py/kedro-docker.svg)](https://pypi.org/project/kedro-docker/)
 [![License](https://img.shields.io/badge/license-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)
 [![Code Style: Black](https://img.shields.io/badge/code%20style-black-black.svg)](https://github.com/ambv/black)