fix: Avoid 404 error when getting favicon on root (#4057)

* fix: Avoid 404 when getting favicon on root

* Add changeset

.changeset/weak-fans-explain.md

@@ -0,0 +1,5 @@
+---
+'@verdaccio/server': patch
+---
+
+fix: Avoid 404 error when getting favicon from root

packages/server/express/src/server.ts

@@ -48,7 +48,7 @@ const defineAPI = async function (config: IConfig, storage: Storage): Promise<an
   app.get(
     '/favicon.ico',
     function (req: $RequestExtend, res: $ResponseExtend, next: $NextFunctionVer): void {
-      req.url = '/-/static/favicon.png';
+      req.url = '/-/static/favicon.ico';
       next();
     }
   );