Update CHANGELOG to further reflect new outputs are beta

Author: ugexe

CHANGELOG.md

@@ -4,7 +4,10 @@ CHANGELOG
 7.1.0-beta.1
 ------------
 
-* Added support for the new risk reasons outputs in minFraud Factors.
+* Added support for the new risk reasons outputs in minFraud Factors. The risk
+  reasons output codes and reasons are currently in beta and are subject to
+  change. We recommend that you use these beta outputs with caution and avoid
+  relying on them for critical applications.
 
 7.0.0 (2024-07-08)
 ------------------