Update supporters for 2025.10.0b4

Author: jesserockz

content/guides/supporters.md

@@ -2252,4 +2252,4 @@ ESPHome was originally founded by [Otto Winter (@OttoWinter)](https://github.com
 - [Christian Zufferey (@zuzu59)](https://github.com/zuzu59)
 - [Zynth-dev (@Zynth-dev)](https://github.com/Zynth-dev)
 
-*This page was last updated October 14, 2025.*
+*This page was last updated October 15, 2025.*