Update changelog file to include custom signals feature.

tusharkhandelwal8 · tusharkhandelwal8 · commit c194143ec230 · 2025-01-07T22:51:41.000+05:30
diff --git a/firebase-config/CHANGELOG.md b/firebase-config/CHANGELOG.md
@@ -1,5 +1,5 @@
 # Unreleased
-
+* [feature] Added support for custom signal targeting in Remote Config. Use `setCustomSignals` API for setting custom signals and use them to build custom targeting conditions in Remote Config.
 
 # 22.0.1
 * [changed] Updated protobuf dependency to `3.25.5` to fix
