Merge "Log warnings to stdout instead of stderr" into main

cmd/release_config/release_config_lib/util.go

@@ -149,9 +149,12 @@ func DisableWarnings() {
 	disableWarnings = true
 }
 
+// warnf will log to stdout if warnings are enabled. In make code,
+// stdout is redirected to a file, so the warnings will not be shown
+// in the terminal.
 func warnf(format string, args ...any) (n int, err error) {
 	if !disableWarnings {
-		return fmt.Fprintf(os.Stderr, format, args...)
+		return fmt.Printf(format, args...)
 	}
 	return 0, nil
 }