Update readme logo (#5726)

* Update readme logo

* Update README.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: Jonathan Swoboda <154711427+swoboda1337@users.noreply.github.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: 3 people

README.md

@@ -13,8 +13,8 @@
 
 <a href="https://esphome.io/">
   <picture>
-    <source media="(prefers-color-scheme: dark)" srcset="https://esphome.io/images/logo-docs-on-dark.svg">
-    <img src="https://esphome.io/images/logo-docs.svg" alt="ESPHome Logo">
+    <source media="(prefers-color-scheme: dark)" srcset="https://media.esphome.io/logo/logo-text-on-dark.svg">
+    <img src="https://media.esphome.io/logo/logo-text-on-light.svg" alt="ESPHome Logo">
   </picture>
 </a>