build: bump golangci-lint to 2.1.6

http/share.go

@@ -91,7 +91,7 @@ var sharePostHandler = withPermShare(func(w http.ResponseWriter, r *http.Request
 		defer r.Body.Close()
 	}
 
-	bytes := make([]byte, 6) //nolint:gomnd
+	bytes := make([]byte, 6) //nolint:mnd
 	_, err := rand.Read(bytes)
 	if err != nil {
 		return http.StatusInternalServerError, err
@@ -130,7 +130,7 @@ var sharePostHandler = withPermShare(func(w http.ResponseWriter, r *http.Request
 
 	var token string
 	if len(hash) > 0 {
-		tokenBuffer := make([]byte, 96) //nolint:gomnd
+		tokenBuffer := make([]byte, 96) //nolint:mnd
 		if _, err := rand.Read(tokenBuffer); err != nil {
 			return http.StatusInternalServerError, err
 		}