docs: update PyPI version badge to include cache parameter

Author: zurfjereluhmie

README.md

@@ -6,7 +6,7 @@
 
 [![License](https://img.shields.io/badge/License-BSD_3--Clause-blue.svg)](https://opensource.org/licenses/BSD-3-Clause)
 [![CI](https://github.com/zurfjereluhmie/evalwire/actions/workflows/ci.yml/badge.svg)](https://github.com/zurfjereluhmie/evalwire/actions/workflows/ci.yml)
-![PyPI - Version](https://img.shields.io/pypi/v/evalwire)
+![PyPI - Version](https://img.shields.io/pypi/v/evalwire?cacheSeconds=0)
 
 ## What it does