codegen: resync gen/ from EF faf7ba51

[heygen-rui-bot]

Auto-generated PR: a production deploy shipped an updated OpenAPI spec. This PR contains the CLI command definitions regenerated from the now-live prod spec in gen/.

What changed

New commands

• heygen brand glossaries delete -- DELETE /v3/brand-glossaries/{brand_glossary_id}
• heygen video scenes get -- GET /v3/videos/{video_id}/scenes

Changed commands

• heygen video batches create: added --folder-id

Public command surface only; commands hidden from --help are not listed.
Compared against heygen-cli main at 5f44bf1d60f693317c6fce5a144c49b6b7a49844.

If CI fails (e.g. missing examples), fix the issue and push to this branch.

Source commit: faf7ba511c4dcb84b51f952950a1566de6b006a5
Triggered by: https://github.com/heygen-com/experiment-framework/commit/faf7ba511c4dcb84b51f952950a1566de6b006a5

[github-actions]

Command surface: 1 existing command(s) changed

Changed — these already existed, so a change can break existing calls.

heygen video batches create

+ 			Name: "folder-id",
+ 			Type: "string",
+ 			Default: "",
+ 			Required: false,
+ 			Enum: nil,
+ 			Min: nil,
+ 			Max: nil,
+ 			Source: "body",
+ 			JSONName: "folder_id",

New commands — additive, nothing existing can break.

• heygen brand glossaries delete
• heygen video scenes get

_{Reference only, never blocking. See RELEASE.md "Checking for Regressions" for how to read this.}