fix: adjust %s to %v

Signed-off-by: Jesse Simpson <jesse.simpson36@gmail.com>

pkg/chart/v2/util/values.go

@@ -189,7 +189,7 @@ func isNonEmptyTable(val interface{}) bool {
 }
 
 func isNonEmptyString(val interface{}) bool {
-	valueString := fmt.Sprintf("%s", val)
+	valueString := fmt.Sprintf("%v", val)
 	return valueString != ""
 }