Add documentation about supported workflow trigger events (#25582) (#25589)

Backport #25582 by @Zettat123

Right now Gitea doesn't support all [Events that trigger
workflows](https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows).
This PR lists the supported events to help users write workflow files.

Co-authored-by: Zettat123 <[email protected]>

Author: GiteaBot

docs/content/doc/usage/actions/faq.en-us.md

@@ -164,3 +164,23 @@ Although we would like to provide more options, our limited manpower means that
 However, both Gitea and act runner are completely open source, so anyone can create a new/better implementation.
 We support your choice, no matter how you decide.
 In case you fork act runner to create your own version: Please contribute the changes back if you can and if you think your changes will help others as well.
+
+## What workflow trigger events does Gitea support?
+
+All events listed in this table are supported events and are compatible with GitHub.
+For events supported only by GitHub, see GitHub's [documentation](https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows).
+
+| trigger event               | activity types                                                                                                           |
+|-----------------------------|--------------------------------------------------------------------------------------------------------------------------|
+| create                      | not applicable                                                                                                           |
+| delete                      | not applicable                                                                                                           |
+| fork                        | not applicable                                                                                                           |
+| gollum                      | not applicable                                                                                                           |
+| push                        | not applicable                                                                                                           |
+| issues                      | `opened`, `edited`, `closed`, `reopened`, `assigned`, `unassigned`, `milestoned`, `demilestoned`, `labeled`, `unlabeled` |
+| issue_comment               | `created`, `edited`, `deleted`                                                                                           |
+| pull_request                | `opened`, `edited`, `closed`, `reopened`, `assigned`, `unassigned`, `synchronize`, `labeled`, `unlabeled`                |
+| pull_request_review         | `submitted`, `edited`                                                                                                    |
+| pull_request_review_comment | `created`, `edited`                                                                                                      |
+| release                     | `published`, `edited`                                                                                                    |
+| registry_package            | `published`                                                                                                              |

docs/content/doc/usage/actions/faq.zh-cn.md

@@ -164,3 +164,23 @@ defaults:
 然而，无论您如何决定，Gitea 和act runner都是完全开源的，所以任何人都可以创建一个新的/更好的实现。
 我们支持您的选择，无论您如何决定。
 如果您选择分支act runner来创建自己的版本，请在您认为您的更改对其他人也有帮助的情况下贡献这些更改。
+
+## Gitea 支持哪些工作流触发事件？
+
+表格中列出的所有事件都是支持的，并且与 GitHub 兼容。
+对于仅 GitHub 支持的事件，请参阅 GitHub 的[文档](https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows)。
+
+| 触发事件                    | 活动类型                                                                                                                 |
+|-----------------------------|--------------------------------------------------------------------------------------------------------------------------|
+| create                      | 不适用                                                                                                                   |
+| delete                      | 不适用                                                                                                                   |
+| fork                        | 不适用                                                                                                                   |
+| gollum                      | 不适用                                                                                                                   |
+| push                        | 不适用                                                                                                                   |
+| issues                      | `opened`, `edited`, `closed`, `reopened`, `assigned`, `unassigned`, `milestoned`, `demilestoned`, `labeled`, `unlabeled` |
+| issue_comment               | `created`, `edited`, `deleted`                                                                                           |
+| pull_request                | `opened`, `edited`, `closed`, `reopened`, `assigned`, `unassigned`, `synchronize`, `labeled`, `unlabeled`                |
+| pull_request_review         | `submitted`, `edited`                                                                                                    |
+| pull_request_review_comment | `created`, `edited`                                                                                                      |
+| release                     | `published`, `edited`                                                                                                    |
+| registry_package            | `published`                                                                                                              |