Suggest using newer version

SilverFire · web-flow · commit f8904eeeed87 · 2022-04-20T10:24:41.000+03:00
diff --git a/README.md b/README.md
@@ -21,7 +21,7 @@ to your `composer.json` file:
 ```json
 {
     "require": {
-        "dercoder/omnipay-webmoney": "~4.0"
+        "dercoder/omnipay-webmoney": "^5.0"
     }
 }
 ```
