Use any instead of interface{} (#20577)

* replace interface{} with any

app/plugin_api_tests/basic_config.go

@@ -19,7 +19,7 @@ type BasicConfig struct {
 	BasicUserID          string
 }
 
-func IsEmpty(object interface{}) bool {
+func IsEmpty(object any) bool {
 
 	// get nil case out of the way
 	if object == nil {

app/plugin_api_tests/manual.test_http_upgrade_websocket_plugin/main.go

@@ -37,7 +37,7 @@ func (p *Plugin) ServeHTTP(_ *plugin.Context, w http.ResponseWriter, r *http.Req
 		if err != nil {
 			break
 		}
-		resp := model.NewWebSocketResponse("OK", req.Seq, map[string]interface{}{"action": req.Action, "value": req.Data["value"]})
+		resp := model.NewWebSocketResponse("OK", req.Seq, map[string]any{"action": req.Action, "value": req.Data["value"]})
 		respJSON, err := resp.ToJSON()
 		if err != nil {
 			break