[Images] Clarify format option for transform (#25677)

Author: ToriLindsay

src/content/partials/images/format.mdx

@@ -6,7 +6,7 @@ import { Tabs, TabItem } from "~/components";
 
 The `auto` option will serve the WebP or AVIF format to browsers that support it. If this option is not specified, a standard format like JPEG or PNG will be used. Cloudflare will default to JPEG when possible due to the large size of PNG files.
 
-Workers integration supports:
+Other supported options:
 
 - `avif`: Generate images in AVIF format if possible (with WebP as a fallback).
 - `webp`: Generate images in Google WebP format. Set the quality to `100` to get the WebP lossless format.