Why not use the normal `newJSONRequest`?

```suggestion log.Info("HTTP Method for %s webhook %s [ID: %d] is not set, defaulting to POST", w.Type, w.URL, w.ID) ```

Wouldn't it make sense to use ```suggestion PayloadVersion int `xorm:"DEFAULT 1"` ``` here?

```suggestion <span class="text orange">{{svg "octicon-stopwatch"}}</span> ```

```suggestion URL string `json:"url"` ```

`Version` may not be a good name because this name is used by other models to enforce a write lock in a transaction. Maybe use `PayloadVersion` and move it below `PayloadContent`?

```suggestion ``` Only the new field is needed.

The `lint-backend` does not like the import of `code.gitea.io/gitea/services/cron` (which import `code.gitea.io/gitea/models`). Should I drop it?