Update supported GHA version in README

PiperOrigin-RevId: 700566169
diff --git a/README.md b/README.md
index 01ab3cb..4c00386 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,7 @@
 
 1.  You need to install Google Home App on your Android phone.
 1.  Login to your Google Home App.
-1.  Make sure the Google Home App's version is between `3.1.1.14` and `3.24.1.4`.
+1.  Make sure the Google Home App's version is between `3.1.1.14` and `3.25.1.4`.
 
 NOTE: Please select the correct Google account on Google Home App.