MM-57378: Bump up golangci version (#26535)

https://mattermost.atlassian.net/browse/MM-57378
```release-note
NONE
```

Co-authored-by: Mattermost Build <build@mattermost.com>

server/channels/web/oauth.go

@@ -343,9 +343,9 @@ func completeOAuth(c *Context, w http.ResponseWriter, r *http.Request) {
 			})
 			utils.RenderMobileAuthComplete(w, redirectURL)
 			return
-		} else { // For web
-			c.App.AttachSessionCookies(c.AppContext, w, r)
 		}
+		// For web
+		c.App.AttachSessionCookies(c.AppContext, w, r)
 
 		desktopToken := ""
 		if val, ok := props["desktop_token"]; ok {

server/channels/web/oauth_test.go

@@ -661,7 +661,8 @@ func HTTPGet(url string, httpClient *http.Client, authToken string, followRedire
 		}
 	}
 
-	if rp, err := httpClient.Do(rq); err != nil {
+	rp, err := httpClient.Do(rq)
+	if err != nil {
 		return nil, err
 	} else if rp.StatusCode == 304 {
 		return rp, nil
@@ -670,9 +671,8 @@ func HTTPGet(url string, httpClient *http.Client, authToken string, followRedire
 	} else if rp.StatusCode >= 300 {
 		defer closeBody(rp)
 		return rp, model.AppErrorFromJSON(rp.Body)
-	} else {
-		return rp, nil
 	}
+	return rp, nil
 }
 
 func closeBody(r *http.Response) {