Update supporters for 2026.2.0b4

Author: jesserockz

src/content/docs/guides/supporters.mdx

@@ -2338,4 +2338,4 @@ 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 February 17, 2026.*
+*This page was last updated February 18, 2026.*