WASM fallback behavior configuration

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Hello,

I've recently started to use Rive and observed wasm fallback behavior:

rive-wasm/js/src/rive.ts

Line 258 in 2d92a14

const backupJsdelivrUrl = `https://cdn.jsdelivr.net/npm/${packageData.name}@${packageData.version}/rive_fallback.wasm`;

While I understand why this might be useful and bulletproof, it is also a security risk because your application will download a resource from a third-party CDN without any integrity or control over it. As far as I can see, there is no option to disable or configure this fallback.

Perhaps you could consider adding such an option? Either disable it or provide a fallback URL the same way as it is done for the "first party" wasm URL.