Load remote astc

[Changdw]

Re: https://github.com/cocos/3d-tasks/issues/19047

Changelog

---

Continuous Integration

This pull request:

• needs automatic test cases check.

  Manual trigger with @cocos-robot run test cases afterward.

• does not change any runtime related code or build configuration

  If any reviewer thinks the CI checks are needed, please uncheck this option, then close and reopen the issue.

---

Compatibility Check

This pull request:

• changes public API, and have ensured backward compatibility with deprecated features.
• affects platform compatibility, e.g. system version, browser version, platform sdk version, platform toolchain, language version, hardware compatibility etc.
• affects file structure of the build package or build configuration which requires user project upgrade.
• introduces breaking changes, please list all changes, affected features and the scope of violation.

[Changdw]

@cocos-robot run test cases

[github-actions]

Code Size Check Report

Wechat (WASM)	Before	After	Diff
2D Empty (legacy pipeline)	1005977 bytes	1006007 bytes	⚠️ +30 bytes
2D All (legacy pipeline)	2671067 bytes	2671097 bytes	⚠️ +30 bytes
2D All (new pipeline)	2761184 bytes	2761214 bytes	⚠️ +30 bytes
(2D + 3D) All	10017488 bytes	10017518 bytes	⚠️ +30 bytes

Web (WASM + ASMJS)	Before	After	Diff
(2D + 3D) All	16839109 bytes	16839139 bytes	⚠️ +30 bytes

Interface Check Report

! WARNING this pull request has changed these public interfaces:

@@ -30193,12 +30193,14 @@
          * Loads remote asset with url, such as audio, image, text and so on.
          * Note that `loadRemote` uses the extension name in the url to determine how to load the asset.
          * If you pass in a url without the extension name, you need to specify the `ext` parameter
          * in the `options` to indicate how you want the asset loaded. See the third example below.
+         * `options` can also specify the `format` parameter to indicate the compressed texture format. See the example below.
          *
          * @zh
          * 使用 url 加载远程资源，例如音频，图片，文本等等。需要注意的是 `loadRemote` 是通过 url 中的扩展名判断以何种方式加载该资源，
          * 如果你传入的 url 中没有携带后缀名，你需要额外指定 `options` 中的 `ext` 参数来表明你需要何种方式加载该资源。请参考下面的第三个示例。
+         * `options` 中的 `format` 参数可以指定压缩纹理格式. 请参考下面的第四个示例。
          *
          * @param url @en The url of asset. @zh 资源的 URL 链接。
          * @param options @en Some optional parameters. @zh 一些可选参数。
          * @param options.ext
@@ -30213,8 +30215,9 @@
          * @example
          * assetManager.loadRemote('http://www.cloud.com/test1.jpg', (err, texture) => console.log(err));
          * assetManager.loadRemote('http://www.cloud.com/test2.mp3', (err, audioClip) => console.log(err));
          * assetManager.loadRemote('http://www.cloud.com/test3', { ext: '.png' }, (err, texture) => console.log(err));
+         * assetManager.loadRemote('http://www.cloud.com/test5.astc', { format: Texture2D.PixelFormat.RGBA_ASTC_8x8 }, (err, texture) => console.log(err));
          *
          */
         loadRemote<T extends Asset>(url: string, options: {
             [k: string]: any;