fix(github): redirect after join org

thanks to @onnilinnala for finding this bug :D

src/routes/github.js

@@ -85,7 +85,7 @@ router.get("/authorized", async (req, res) => {
         })
     )
 
-    return res.redirect("https://testausserveri.fi/githubJoined")
+    return res.redirect("https://github.com/testausserveri")
 })
 
 export default router