Update Python version in README badges

Author: RoryBarnes

README.md

@@ -21,14 +21,14 @@
   <a href="https://github.com/VirtualPlanetaryLaboratory/bigplanet/actions/workflows/tests.yml">
     <img src="https://github.com/VirtualPlanetaryLaboratory/bigplanet/actions/workflows/tests.yml/badge.svg">
   </a>
-  <img src="https://img.shields.io/badge/Python-3.9--3.13-orange.svg">
+  <img src="https://img.shields.io/badge/Python-3.9--3.14-orange.svg">
   <a href="https://codecov.io/github/VirtualPlanetaryLaboratory/bigplanet"><img src="https://codecov.io/github/VirtualPlanetaryLaboratory/bigplanet/graph/badge.svg?token=FQEJBL185K">
   <br>
 
   <a href="https://github.com/VirtualPlanetaryLaboratory/bigplanet/actions/workflows/pip-install.yml">
     <img src="https://github.com/VirtualPlanetaryLaboratory/bigplanet/actions/workflows/pip-install.yml/badge.svg">
   </a>
-  <img src="https://img.shields.io/badge/Python-3.9--3.13-orange.svg">
+  <img src="https://img.shields.io/badge/Python-3.9--3.14-orange.svg">
   <img src = "https://img.shields.io/badge/Platforms-Linux_|%20macOS-darkgreen.svg?style=flat">
 </p>