Update supporters for 2025.4.0b1

Author: jesserockz

guides/supporters.rst

@@ -6,8 +6,8 @@ and everybody can contribute to it to make this project awesome. This list conta
 submitted patches that have made it into the `ESPHome organization's <https://github.com/esphome>`__ repositories.
 
 ESPHome is led by `Jesse Hills (@jesserockz) <https://github.com/jesserockz>`__,
-who is funded to work on ESPHome full-time by the `Open Home Foundation <https://www.openhomefoundation.org/>`__.
-To help fund development of ESPHome, support the `Open Home Foundation <https://www.openhomefoundation.org/>`__.
+who is funded to work on ESPHome full-time by `Nabu Casa <https://www.nabucasa.com>`__.
+To help fund development of ESPHome, subscribe to `Home Assistant Cloud by Nabu Casa <https://www.nabucasa.com>`__.
 
 ESPHome was originally founded by `Otto Winter (@OttoWinter) <https://github.com/OttoWinter>`__.
 
@@ -2108,4 +2108,4 @@ Contributors
 - `Christian Zufferey (@zuzu59) <https://github.com/zuzu59>`__
 - `Zynth-dev (@Zynth-dev) <https://github.com/Zynth-dev>`__
 
-*This page was last updated March 31, 2025.*
+*This page was last updated April 9, 2025.*