Update image height

Author: MDUYN

README.md

@@ -5,10 +5,10 @@ PyIndicators is a powerful and user-friendly Python library for technical analys
 ## Sponsors
 
 <a href="https://www.finterion.com/" target="_blank">
-    <picture>
+    <picture style="height: 30px;">
     <source media="(prefers-color-scheme: dark)" srcset="static/sponsors/finterion-dark.png">
     <source media="(prefers-color-scheme: light)" srcset="static/sponsors/finterion-light.png">
-    <img src="static/sponsors/finterion-light.svg" alt="Finterion Logo" style="height: 40px;">
+    <img src="static/sponsors/finterion-light.svg" alt="Finterion Logo" style="height: 30px;">
     </picture>
 </a>